| Post–Cold War era | |||
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| 26 December 1991 – present | |||
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Mapping America's War on Terrorism ("Pentagon's New Map") | |||
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The post–Cold War era is a period of history that started with the dissolution of the Soviet Union, which began in 1988 and marked the end of the Cold War by 1991, thereby leaving the United States as the world's sole superpower. At the same time, Europe experienced the collapse of communism and led to the establishment of the European Union (EU) in 1993.
Relative to the Cold War, the period was initially characterized by stabilization and disarmament, but outbreaks in the 2020s saw many conflicts similar or greater in scope to the Cold War. Both Russia and the United States significantly reduced their nuclear weapons stockpiles, and most Eastern Bloc countries became democratic and were integrated into the global economy. In the first two decades of the post–Cold War era, the North Atlantic Treaty Organization (NATO) underwent three enlargements and France re-integrated into the NATO command, while Russia founded the Collective Security Treaty Organization (CSTO) to replace the Warsaw Pact.
China became a rising power and consolidated a greater role on the international stage while building a strategic partnership with Russia, with both countries working in BRICS and the Shanghai Cooperation Organization. In response to these developments, the United States began a re-balancing of strategic forces out of Europe and into the Asia–Pacific.
Major events of the period are generally agreed to have included the September 11 attacks and ensuing war on terror, the militarization of the war on drugs, the Great Recession, the China–United States trade war, the COVID-19 pandemic, hybrid warfare predominantly using the Internet, and growing concerns surrounding the AI boom, climate change, misinformation, information overload, and wealth inequality.
Major conflicts generally associated with the post–Cold War era include the United States invasion of Panama, the Gulf War, the Yugoslav Wars, the First and Second Congo Wars, the First and Second Chechen Wars, the War in Afghanistan and the Iraq War, the Mexican drug war, the Arab Spring, the Russo-Georgian War, the Syrian civil war, the North Korea crisis, the Russo-Ukrainian War, the Gaza War and associated Middle Eastern crisis and Red Sea crisis, Operation Southern Spear, the 2026 United States intervention in Venezuela, and the 2026 Iran war.
Historians and analysts in the 2020s began to question whether the Post-Cold War era had already come to a close, many citing the 2022 invasion of Ukraine as the end date and pointing to the rise of open conflicts and a new Great Powers rivalry between NATO, the United States and the European Union on the one hand and BRICS, Russia, China and India on the other, as indicative that an entirely distinct historical era had begun.
Historians frequently debate what to label the era following the conclusion of the Cold War. Discussions revolve around frameworks of political theory like "Pax Americana", which is derived from Pax Romana, Rome's golden age. Others point to the technological advancements as evidence that it is the Information Age, a label that is partly true as many modern consumer technologies were unreleased or in early stages in the Cold War. Robert Kagan has defined the era simply as "the return of Geopolitics", in that new alliances and rivalries are being made, largely around economic lines.

Faced with the threat of growing German Nazism, Italian fascism, Japanese militarism, and a world war, the Western Allies and the Soviet Union formed an alliance of necessity during World War II. After the Axis powers were defeated, the two most powerful states in the world became the Soviet Union and the United States. Both federations were called the world's superpowers. The underlying geopolitical and ideological differences between the recent allies led to the confrontation known as the Cold War, which lasted from about 1947 to 1991. It began with the second Red Scare and it ended with the fall of the Soviet Union. At the dawn of the new era, the historian John Lewis Gaddis wrote:"The new world of the post–Cold War era is likely to have few, if any, of these [Cold War] characteristics: that is an indication of how much things have already changed since the Cold War ended. We are at one of those rare points of 'punctuation' in history at which old patterns of stability have broken up and new ones have not yet emerged to take their place. Historians will certainly regard the years 1989–1991 as a turning point comparable in importance to the years 1789–1794, or 1917–1918, or 1945–1947; precisely what has 'turned,' however, is much less certain. We know that a series of geopolitical earthquakes have taken place, but it is not yet clear how these upheavals have rearranged the landscape that lies before us."

The Post-Cold War era has paved the way for greater international cooperation, international organizations, and nationalist movements. The European Union expanded and further integrated, and power shifted from the G7 to the larger G20 economies. The outcome symbolized a victory of democracy and capitalism which became a manner of collective self-validation for countries hoping to gain international respect. With democracy being seen as an important value, more countries began adopting that value. Communism ended also in Mongolia, Congo, Albania, Yugoslavia, Afghanistan, and Angola. As of 2023, only five countries in the world are still ruled as communist states: China, Cuba, North Korea, Laos, and Vietnam.

Following the Gulf War, president George H.W. Bush held the National Victory Celebration in Washington DC. he said, " The troops of Desert Storm not only rescued a nation abroad, they transformed a Nation at home. Now let's use our strength and our credibility to take on challenges here at home.. If we didn't know it before Desert Storm, we know now: Nothing can stop us."Saddam Hussein was left securely in power but facing a shattered economy and severe geopolitical isolation. Encouraged by a speech from Bush urging the Iraqi people to take matters into their own hands, a massive wave of uncoordinated anti-Saddam uprisings erupted across Iraq. Shia rebels rose up in the south, and Kurdish fighters launched an insurrection in the north, briefly seizing control of 14 of Iraq's 18 provinces. Facing an existential threat to his regime, Saddam responded with overwhelming brutality. The crackdown resulted in the deaths of tens of thousands of civilians and a massive humanitarian crisis that sent nearly two million refugees fleeing into the mountains and neighboring borders. Afterwards Saddam obstructed U.N. weapons inspections, hoarded hidden biological weapons, and intentionally drained the southern marshes to permanently destroy the Shia resistance. The Iraqi Liberation Act was signed in 1998 in response.

Meanwhile, Osama bin Laden viewed the massive influx of U.S. troops into Saudi Arabia during the war as a permanent, intolerable occupation of Islam's holiest lands. The victory America was celebrating in Washington became the ultimate rallying cry for al-Qaeda. Banished from Saudi Arabia later that same year for his radical opposition to the post-war U.S. military presence, bin Laden fled to Sudan, where he immediately began building the financial and operational architecture for a global terrorist network. Over the next decade, he would systematically target the "credibility" Bush spoke of, shifting from localized guerrilla operations to orchestrating a series of escalating attacks on American targets abroad, including the 1998 United States embassy bombings. The massive, coordinated nature of the blasts signaled that bin Laden was no longer a fringe dissident, but the commander of a sophisticated international front. The operational blueprint for a final, catastrophic strike began to take shape shortly after in 1999, when bin Laden approved a highly ambitious "planes operation" pitched by strategist Khalid Shaikh Mohammed. While sleeper cells were quietly dispatched to Western flight schools, al-Qaeda struck a devastating intermediary blow on October 12, 2000. A suicide boat packed with explosives detonated against the hull of the USS Cole while it refueled in Aden, Yemen, killing 17 American sailors and proving that al-Qaeda could successfully compromise premier U.S. naval assets.

The push for China’s integration into the global trading system began in earnest under President Bill Clinton, whose administration viewed commercial engagement as a powerful tool to open Chinese markets and encourage domestic economic reforms. The post-cold war system was at its peak at this time, with political scientists commenting in 1999 that,"norms and rules of inter-state conduct have expanded in number and scope, in some cases becoming formalized in international law and institutions. As a result, international politics is becoming more orderly over time. Third, although world government still exists only in the imagination, there is something of a great power hierarchy which regulates international affairs to an extent. In general, the international system is most orderly when a single power or tightly bound group of powers is clearly predominant." Led by U.S. Trade Representative Charlene Barshefsky, American negotiators secured a landmark bilateral trade agreement with Chinese Premier Zhu Rongji in November 1999, which forced China to significantly lower its tariffs and trade barriers. To solidify this framework, the Clinton administration aggressively lobbied Congress to grant China Permanent Normal Trade Relations (PNTR) in 2000, effectively ending the contentious annual legislative reviews of Beijing’s human rights record and clearing the primary political obstacle to its entry. While the fundamental architecture and legal foundation were built under Clinton, the final diplomatic steps were executed by the incoming administration of President George W. Bush. In late 2001, the Bush administration certified that China had met its final multilateral commitments, allowing the country to formally join the World Trade Organization (WTO) on December 11, 2001. This transition marked a rare moment of bipartisan and cross-administration continuity, driven by a shared belief that anchoring Beijing to global economic rules would liberalize its economy, benefit American consumers, and foster a more collaborative international relationship.
The United States, having become the only global superpower, used that ideological victory to reinforce its leadership position in the new world order, proclaiming that "the United States and its allies are on the right side of history." This was referred to as "liberal hegemony" in international relations theory. Using the peace dividend, the United States Armed Forces were able to cut much of its expenditure, but the level rose again to comparable heights after the September 11 attacks and the initiation of the war on terror in 2001. The war on terror formed a major part of the foreign policy of every administration since it began. Like the war on drugs, the war on terror ebbs and flows, spiking at times such as the 2009 Fort Hood shooting.

Following 9/11, the Bush administration drastically transformed the nation’s domestic security apparatus through the creation of the Department of Homeland Security (DHS) and the integration of a consolidated terrorist watchlist. Rather than executing successful foreign-directed operations on American soil, extremist networks pivoted toward recruiting citizens and launching decentralized plans. Law enforcement interdicted at least ten serious al-Qaeda plots and dozens of localized homegrown conspiracies. Federal agencies successfully intercepted major plots, including the 2002 West Coast Airliner plot to target the tallest skyscraper in Los Angeles, a conspiracy to bomb fuel tanks at JFK International Airport, and a plan to use grenades to attack a Chicago-area shopping mall. Additionally, the era saw the rise of small, radicalized domestic groups plotting against military and symbolic structures—most notably exemplified by the cell that targeted the Fort Dix Army Base in New Jersey and the conspirators who plotted to destroy the Sears Tower in Chicago. These aggressive counterterrorism measures secured the U.S. homeland from a successful second strike during Bush's tenure, but the proliferation of these intercepted cells proved that the domestic landscape had permanently changed into a frontline of the broader conflict.

With a vast nation to defend, we can neither predict nor prevent every conceivable attack. And in a free and open society, no Department of Government can completely guarantee our safety against ruthless killers who move and plot in shadows. Yet our Government will take every possible measure to safeguard our country and our people. We're fighting a new kind of war against determined enemies. And public servants long into the future will bear the responsibility to defend Americans against terror.
— George W. Bush, Address at the Department of Homeland Security Commissioning Ceremony (2003)


The pursuit of Osama bin Laden began with a critical near-miss during the Bush administration in December 2001, when U.S. and allied forces cornered the Al-Qaeda leader in the rugged Tora Bora mountain region of Afghanistan. Despite intense bombardment, reliance on local tribal militias and a shortage of American ground troops allowed bin Laden to slip across the border into Pakistan's tribal areas. Following this escape, the Bush administration shifted its primary military focus to the Iraq War, causing the hunt for bin Laden to transition into a protracted, clandestine intelligence operation. For the remainder of President George W. Bush’s tenure, the CIA and partner networks meticulously pieced together communication fragments, eventually identifying a trusted Al-Qaeda courier known as Abu Ahmed al-Kuwaiti, who would inadvertently provide the key to locating the fugitive leader.The breakthrough in the decade-long manhunt occurred under the Obama administration, which renewed the operational priority of capturing or killing bin Laden. In 2010, intelligence analysts tracked the courier to a heavily fortified, million-dollar compound in Abbottabad, Pakistan, located less than a mile from a prominent Pakistani military academy. After months of high-stakes surveillance to confirm the high-value target's presence, President Barack Obama authorized a high-risk, covert cross-border raid. On May 2, 2011, a specialized team of U.S. Navy SEALs executed a midnight assault on the compound, resulting in the death of Osama bin Laden and ending an multi-billion dollar intelligence pursuit that spanned two presidential administrations.


Following the removal of pro-Russian Ukrainian president Viktor Yanukovych, the Kremlin shifted to execution, capitalizing on the instability gripping Kyiv in the wake of Yanukovych’s departure. Behind the scenes, the mechanics of the annexation had already been set in motion. On the night of February 22, 2014, Russian President Vladimir Putin held an all-night meeting with his security chiefs, later admitting that this was the moment he ordered the work on "returning Crimea to Russia" to begin. Within days, the strategy materialized on the ground. Masked gunmen surrounded Ukrainian military bases, cut communications, and seized the Crimean parliament building in Simferopol. Under the watchful eye of these Russian special forces, lawmakers were coerced into installing a pro-Russian prime minister, Sergei Aksyonov, who immediately appealed to Moscow for security assistance. A referendum was hastily organized for March 16, 2014, offering voters no option to maintain the status quo. Instead, they were forced to choose between joining Russia or reverting to a 1992 constitution that granted Crimea significant autonomy. Despite widespread international condemnation and a boycott by the indigenous Crimean Tatar population, local authorities claimed a 97% vote in favor of integration. Two days later, on March 18, 2014, Putin signed the treaty of accession in the Kremlin alongside Crimean leaders, formalizing the first major annexation of European territory by a major power since World War II. Putin said, "Everything in Crimea speaks of our shared history and pride. This is the location of ancient Khersones, where Prince Vladimir was baptised. His spiritual feat of adopting Orthodoxy predetermined the overall basis of the culture, civilisation and human values that unite the peoples of Russia, Ukraine and Belarus. The graves of Russian soldiers whose bravery brought Crimea into the Russian empire are also in Crimea. This is also Sevastopol – a legendary city with an outstanding history, a fortress that serves as the birthplace of Russia’s Black Sea Fleet. Crimea is Balaklava and Kerch, Malakhov Kurgan and Sapun Ridge. Each one of these places is dear to our hearts, symbolizing Russian military glory and outstanding valor." At the time, the Obama administration attempted to negotiate withdrawal of the Russian troops but failed. Scholars cite this as part of a broader pattern in the Obama administration to have misjudged the expansionist aims of the Putin-regime. However, the campaign of sanctions against Russia began at this time, with president Obama issuing Executive Order 13660. Obama said, “The referendum in Crimea was in clear violation of Ukrainian and international law, and will not be recognized by the international community... We have been guided by a fundamental principle: The future of Ukraine must be decided by the people of Ukraine."
During the first Trump administration the foreign policy was broadly described as "America first". The administration prioritized actions against ISIS in Iraq and Syria. The campaign of sanctions continued with the Countering America's Adversaries Through Sanctions Act (CAATSA).
Starting from the 2020s onward, the perceived threat of global terrorism in the post-9/11 era has expanded beyond Middle Eastern jihadist groups, culminating in the United States and Canada designating several drug cartels and transnational criminal organizations as terrorist organizations in the context of narcoterrorism and the war on drugs.

The era also found the Monroe Doctrine once again playing a central role in US foreign policy. The 200 year old doctrine has had different effects depending on the era in which it was employed but its central theme has stayed the same: to maintain US hegemony in trade routes, trade deals, security, and access in the Western Hemisphere.

In July 2021 the Putin-regime published a document asserting that Russians and Ukrainians were "one people" and that modern Ukraine occupied historically Russian lands. Starting in October 2021 this crystallized into an operational plan, Putin authorized a massive military buildup along Ukraine's borders under the guise of exercises. The following month CIA Director William Burns made a rare trip to Moscow and met with Putin and security chief Nikolai Patrushev. At this time the Biden administration began its intelligence declassification strategy to inform NATO allies and the public on satellite imagery, troop counts, and specific Russian military axes. In December 2021, The Kremlin issued a formal list of aggressive "security guarantees" or ultimatums to the West. Moscow demanded a legally binding guarantee that NATO will never admit Ukraine and that the alliance withdraw all military infrastructure from countries that joined after 1997. The U.S. and NATO rejected these demands as non-starters. In January 2022, a flurry of meetings took place in Geneva, Brussels, and Vienna between Russian, U.S., and NATO officials. The talks completely stalled as Russia refused to withdraw its troops and the West refused to compromise on NATO's "Open Door" policy. In February 2022, The Russian buildup reached an estimated 150,000 to 190,000 personnel surrounding Ukraine on three sides (Russia, Belarus, and occupied Crimea). Naval forces, including amphibious landing ships, mass in the Black Sea. Later in February in a televised address, Putin formally recognized the independence of the two Russian-backed breakaway territories in eastern Ukraine (the Donetsk and Luhansk "People's Republics") and immediately ordered Russian "peacekeeping" forces to cross into the Donbas. On February 24, 2022 Putin delivered an unannounced address declaring a "Special Military Operation" to "demilitarize and denazify" Ukraine. Within minutes, cruise and ballistic missiles begin striking Kyiv, Kharkiv, and Odesa, and Russian ground forces cross the borders. Biden said, "Liberty, democracy, human dignity these are the forces far more powerful than fear and oppression. They cannot be extinguished by tyrants like Putin and his armies. They cannot be erased by people from people’s hearts and hopes by any amount of violence and intimidation.They endure."

The end of the Cold War also coincided with the end of apartheid in South Africa. Declining Cold War tensions in the later years of the 1980s meant that the apartheid regime was no longer supported by the West because of its anticommunism, but it was now condemned with an embargo. In 1990, Nelson Mandela was freed from prison and the regime began steps to end apartheid. This culminated in the first democratic elections in 1994, which resulted in Mandela being elected as President of South Africa.
Socialist and communist parties around the world saw drops in membership after the Berlin Wall fell, and the public felt that free-market ideology had won. Libertarian, neoliberal, nationalist and Islamist parties, on the other hand, benefited from the fall of the Soviet Union. As capitalism had "won," as people saw it, socialism and communism in general declined in popularity. Social democrats in Scandinavia privatized many of their institutions in the 1990s, and a political debate on modern economics was reopened. Scandinavian nations are often now seen as social democrat (see Nordic model). It has been posited by some scholars that the end of communism as a global force in the post–Cold War era allowed neoliberal capitalism to become the dominant global system, which has resulted in rising economic inequality.
The People's Republic of China, which had started to move towards capitalism in the late 1970s and faced public anger after the 1989 Tiananmen Square protests and massacre in Beijing, moved even more quickly towards free-market economics in the 1990s, framing this mixed economy as "socialism with Chinese characteristics". McDonald's and Pizza Hut both entered the country in the second half of 1990, the first American chains in China (aside from Kentucky Fried Chicken, which had entered in 1987). Stock markets were established in Shenzhen and Shanghai in late 1990 as well. Restrictions on car ownership were loosened in the early 1990s and caused the bicycle to decline as a form of transport by 2000. The move to capitalism has increased the economic prosperity of China, but many people still live in poor conditions and work for companies for very low wages and in dangerous and poor conditions.

Many other Third World countries had seen involvement from the United States and/or the Soviet Union, but solved their political conflicts because of the removal of the ideological interests of those superpowers. As a result of the apparent victory of democracy and capitalism in the Cold War, many more countries adapted these systems, which also allowed them access to the benefits of global trade, as economic power became more prominent than military power in the international arena. However, as the United States maintained global power, its role in many regime changes during the Cold War went mostly officially unacknowledged, even when some, such as El Salvador, Argentina and Indonesia, resulted in extensive human rights violations.

The end of the Cold War allowed many technologies that had been off limits to the public to be declassified. The most important of these is the Internet, which was created as ARPANET as a system to keep in touch after an impending nuclear war. The last restrictions on commercial enterprise online were lifted in 1995. The commercialization of the Internet and the growth of the mobile phone system increased globalization (as well as nationalism and populism in reaction). In the years since then, the Internet's population and usefulness have grown immensely. Only about 20 million people (less than 0.5 percent of the world's population at the time) were online in 1995, mostly in the United States and several other Western countries. By the mid-2010s, more than a third of the world's population was online. Satellite internet capabilities advanced significantly in the 2020s, providing an extra layer of redundancy in case of ground infrastructure interruption.

The success of Sputnik 1 lead to an increase funding for radio telescopes such as Jodrell Bank Observatory for use in tracking Sputnik and possible nuclear launches by the Soviet Union. Jodrell Bank and other observatories like it have since been used to track space probes as well as investigate quasars, pulsars, and meteoroids. Satellites such as the Vela that were originally launched to detect nuclear detonation following the Partial Nuclear Test Ban Treaty have been used since then to discover and further investigate gamma-ray bursts.[citation needed] Following a new level of cooperation between Roscomos and NASA in the 1990s the decision to implement the project that was called, the "most complex scientific and political multi-stage project ever undertaken by the Great Powers, the project promises to push the boundaries of what is possible, operates entirely in the New Frontier and represents a new epoch in this history of mankind" began. The station took multiple decades to develop and has been continually occupied since 2000. A new space race began in the 2020s, largely between the United States' Artemis Program and China's Lunar Exploration Program.
Existing largely as a experimental lab technology, the supply chain and development of lithium batteries began in earnest after the Cold War. Today they underpin and constitute a large part of the foundation of key modern electronics. Crucially, they replaced heavier forms of batteries in many areas. Prior to lithium technologies, car battery jumpers had to rely on heavy lead-acid, the chemistry of lithium often allows it to deliver more power with less weight. In the 2020s they are part of most EV's, grid storage, micro mobility,and cordless tools.

In the early 1990's cell networks were still largely immature and upgrading to 2G. The development accelerated with each generation increasing capabilities. Ground network infrastructure was built out during this time across the developed and developing world.
Advancements in additive manufacturing have made it possible for custom production across medical implants, aerospace, and consumer goods. Parallel advancements in Extreme Ultraviolet lithography enabled microchips to shrink down to single-digit nanometer scales, keeping Moore's Law alive and packing billions of transistors into smartphones and other custom applications.

Following president Eisenhower's speech Atoms for Peace, the field of nuclear energy for consumer use began to be formalized. This era included the breakthroughs which made scaling the technology feasible. The first grid connection in the United States occurred on 18 December 1957 with the opening of the Shippingport Atomic Power Station. Alongside continued research defensive countermeasures there has been a proliferation of nuclear weapons around the world. Many nations have acquired technology required to produce nuclear weapons since the end of the Cold War. India tested its first nuclear weapon with Operation Smiling Buddha in 1974. It was followed by Pakistan's nuclear program acquiring centrifuges capable of enriching uranium in the 80's and in 1998 was able to conduct several underground tests. Today the United States, Russia, the United Kingdom, France, and China all possess nuclear weapons and have signed the Nuclear Non-Proliferation Treaty in an attempt to curb the spread of nuclear weapons. India, Pakistan, Israel and North Korea are also in possession of nuclear technology but have not signed the Nuclear Non-Proliferation Treaty.[citation needed] 21st century advancements have included the small modular reactor an increasingly important option as it bypasses the long and cumbersome plant building process.

While Ronald Reagan's Strategic Defense Initiative proved untenable in its original form, the system lives on in a redesigned state as the Aegis Ballistic Missile Defense System (BMDS). Countermeasures such as BMDS continue to be explored and improved upon post–Cold War, but are often criticized for being unable to effectively stop a full nuclear attack. Despite advances in their efficacy, anti-ballistic missiles are often viewed as an additional piece to modern day diplomacy where concepts such as mutual assured destruction and treaties such as that between Ronald Reagan and Mikhail Gorbachev following their Reykjavík Summit. More recently, the broader concept of Reagan's space based system was seen as being revived by the Golden Dome project initiated in the 2020s.
Pentagon research in the years following the end of the Gulf War led senior leaders to conclude that existing munitions, particularly bunker-busters for the hardened and often mountainous terrain of the Middle East were insufficient. DTRA's mission came to be acting as the comprehensive anti-WMD agency. A research program then began which culminated in the GBU-57. Utilizing satellite earth imaging, the United States located the suspected nuclear facilities in Iran and deployed the GBU-57A for the first time during Operation Midnight Hammer.
During the Carter administration, what is known today as the B1("Bone") long range bomber was cancelled due to skyrocketing costs. The B1-A featured a laundry list of features that were the result of a decade long studies by the Pentagon. Due to advancements in ballistics during this time, the B1-A needed to have a high payload capacity but able to cruise at high speeds, with top capabilities at Mach 2.2. The incoming Reagan administration reactivated the B1-A and furthered development of the B2 Spirit stealth bomber. At the press conference Reagan said, "I have directed the Secretary of Defense to revitalize our bomber forces by constructing and deploying some 100 B-1 bombers as soon as possible, while continuing to deploy cruise missiles on existing bombers. We will also develop an advanced bomber with "stealth" characteristics for the 1990's, today's plan revitalizes our strategic forces and maintains America's ability to keep the peace well into the next century." Donald Rumsfeld, who had advocated for expanding the B-2 fleet in the late 1990s, shifted his approach upon becoming Secretary of Defense in 2001. Rather than allocating funds to restart the 1980s-era B-2 production line as suggested by defense contractors, Rumsfeld prioritized a broader "transformation" of the military toward modern network-centric warfare. This long-term strategy ultimately materialized as the B-21 Raider, which achieved its maiden flight in November 2023. By 2026, the program had progressed significantly, entering low-rate initial production, demonstrating in-flight aerial refueling capabilities, and receiving an accelerated 25% production capacity boost under a $4.5 billion congressional allocation to rapidly replace the B-1 and B-2.

Although scientists and researchers had warned of a global pandemic for years, world governments were still largely unprepared for the emergence of the Covid-19 disease as it spread in a matter of weeks in early 2020. Scientists estimate that there was a 70% chance that Covid-19 would have gone extinct on its own, before reaching the state of an endemic virus. As the nature of the virus became clear, countries were forced to shut down travel, businesses, and the way of life for most of the world, to a degree unprecedented in modern history. Lost global economic output measures up to $22 trillion during this time (most of 2020 through 2022). Governments and health agencies were forced to develop response plans in record time. Efforts in the United States like Operation Warp Speed sought to develop a vaccine, which was successfully released in late 2020. The pandemic became the fifth-deadliest pandemic in history and still threatens health outcomes of individuals through long covid. Additional impacts were initially unseen, but as the social distancing mandates expanded metrics like opiod overdoses spiked, particularly with fentanyl, this prompted the crisis to become a political issue.

The first quarter of the 21st century has witnessed a profound transformation in global power dynamics, transitioning away from the post-Cold War unipolarity dominated by the United States toward a fragmented, multipolar geopolitical landscape. The early decades were characterized by highly costly, asymmetrical campaigns like the War in Afghanistan and the Iraq War, which exposed the structural limits of Western military interventionism and sparked an era of relative American strategic retrenchment. This shift opened a vacuum eagerly filled by regional and revisionist powers, as seen in the multi-sided proxy arena of the Syrian Civil War, where international interventions and localized internal struggles completely realigned regional balances of power.
Crucially, the final years of this initial quarter shattered lingering post-Cold War security architectures entirely. The escalation of the Russo-Ukrainian War from the 2014 annexation of Crimea into a full-scale conventional invasion by Russia in 2022 marked the definitive return of high-intensity state-on-state territorial warfare to Europe, forcing a strategic revitalization of NATO's deterrent positioning and driving massive economic fragmentation. Entrenched systemic instability across sub-Saharan Africa manifested in brutal internal power struggles like the Sudanese Civil War, which displaced millions and triggered catastrophic humanitarian crises and the explosive regional spillover of the Israel–Hamas war in the Middle East collectively underscore a new paradigm where localized conflicts rapidly become major tests of global diplomatic resilience, international law, and resource security.
In the Russo-Ukrainian War, the integration of AI-driven edge-computing with commercial drone platforms has transformed the front line into a highly lethal, ten-mile-wide "kill zone", where military analysts estimate that unmanned aerial vehicles (UAVs) are now responsible for 70% to 80% of all battlefield casualties. Historically, electronic jamming could sever the radio connection between a human operator and a drone, causing the aircraft to crash safely. Modern FPV (First-Person View) drones use onboard AI microprocessors (such as commercial Nvidia modules) that require no satellite or radio tether. If jammed, the autonomous system takes complete control during the final flight phase. In the last 500 meters of a strike, onboard machine learning algorithms analyze live optical feeds to identify and lock onto specific targets. The AI can distinguish human silhouettes, moving vehicles, and even specify vulnerable entry points on armored tanks. This terminal autonomy makes rookie drone pilots up to four times more effective, drastically accelerating the military "kill chain". Because these weaponized quadcopters are assembled from cheap, off-the-shelf consumer parts, they are mass-produced by the millions. Ukrainian drone units neutralized over 350,000 Russian drones in the first three quarters of 2026 alone, while automated drone forces routinely claim over 30,000 casualties per month on the front lines. The lack of human oversight in fully autonomous deployments has increasingly placed civilians in harm's way. Striking deep into cities like Kyiv, Odessa, and Zaporizhzhia, self-targeting AI drones have misidentified or collided with civilian infrastructure—including business centers, energy grids, and medical centers—resulting in widespread non-combatant fatalities far from the active lines of contact.
| Conflict | Years | Primary Location | Main Factions / Belligerents | Impact & Key Developments | Estimated Casualties | Main Article |
|---|---|---|---|---|---|---|
| War in Afghanistan | 2001–2021 | Afghanistan | United States, NATO (ISAF), Islamic Republic of Afghanistan | Triggered by the Sept. 11 attacks; resulted in a 20-year asymmetric conflict. Concluded with the withdrawal of Western forces and the Taliban reclaiming governance in 2021. | ~176,000+ | War in Afghanistan (2001–2021) |
| Iraq War | 2003–2011 | Iraq | United States, United Kingdom, coalition forces
vs. Ba'athist Iraq (2003), Iraqi insurgent factions |
Began with a US-led invasion that overthrew Saddam Hussein. Transitioned into a prolonged insurgency and sectarian conflict until the formal US withdrawal. | 150,000–500,000+ | Iraq War |
| Mexican drug war | 2006–present | Mexico | Mexican Federal Forces
vs. Various rival drug cartels |
An ongoing low-intensity conflict initiated by the militarization of the anti-drug campaign, leading to massive civilian casualties and cartel fractionalization. | 350,000–450,000+ | Mexican drug war |
| Boko Haram insurgency | 2009–present | Nigeria, Cameroon, Niger, Chad | Nigeria and multinational coalition
vs. Boko Haram, ISWAP |
Islamist insurgency that displaced millions in the Lake Chad basin, marked by extreme violence against civilians and mass abductions. | ~350,000 | Boko Haram insurgency |
| Syrian civil war | 2011–present | Syria | Assad Government (allied with Russia/Iran)
vs. Syrian opposition factions, Kurdish forces, ISIL |
Escalated from Arab Spring protests into a devastating multi-sided proxy war, generating one of the largest refugee crises of the modern era. | 500,000–610,000+ | Syrian civil war |
| Libyan Civil Wars | 2011–present | Libya | National Transitional Council, rival government coalitions (GNA, LNA)
vs. Gaddafi regime (2011), various localized militias |
Began with a NATO-backed uprising that overthrew Muammar Gaddafi, leading to persistent political fragmentation, dual governments, and localized clashes. | 25,000–40,000 | Libyan crisis (2011–present) |
| Yemeni Civil War | 2014–present | Yemen, Saudi Arabia | Hadi/Rashad government (backed by Saudi coalition)
vs. Houthi movement, Iran-backed factions |
Sparked a severe humanitarian crisis. Evolved into maritime escalations, including localized drone strikes, shipping blockades, and international naval responses. | ~377,000 | Yemeni civil war (2014–present) |
| War in Iraq (2013–2017) | 2014–2017 | Iraq | Iraqi Armed Forces, Peshmerga, CJTF-OIR (US-led)
vs. ISIL (ISIS) |
A major military campaign to recapture extensive territorial gains made by the Islamic State, ending with the territorial defeat of the caliphate in Iraq. | 155,000+ | War in Iraq (2013–2017) |
| Russo-Ukrainian War | 2014–present | Ukraine | Ukraine | Began with the 2014 annexation of Crimea and escalated into a full-scale conventional invasion by Russia in 2022, marking Europe's largest land conflict since WWII. | ~500,000+ | Russo-Ukrainian War |
| Tigray War | 2020–2022 | Ethiopia (Tigray Region) | Ethiopian National Defense Force, Eritrean Defence Forces | A high-intensity civil conflict involving severe blockades and widespread displacement, formally concluding with the Pretoria peace agreement. | 100,000–600,000 | Tigray War |
| Sudanese Civil War | 2023–present | Sudan | Sudanese Armed Forces (SAF)
vs. Rapid Support Forces (RSF) |
A destructive power struggle between the national military and a powerful paramilitary group, destroying urban centers and triggering catastrophic famine risks. | 62,000–150,000+ | Sudan conflict (2023–present) |
| Israel–Hamas war | 2023–present | Gaza Strip, Israel, Lebanon | Israel Defense Forces
vs. Hamas, Hezbollah, Axis of Resistance |
Sparked by the October 7 attacks, evolving into intensive urban combat in Gaza, major regional spillover across Lebanon, and direct proxy escalations. | ~65,000+ | Israel–Hamas war |

The 90s became an enduring part of popular culture, including the clothing, television and technology of the era.
{{cite journal}}: CS1 maint: multiple names: authors list (link){{cite book}}: CS1 maint: multiple names: authors list (link)Without the looming threat of a rival superpower, the last thirty years of global neoliberalism have witnessed a rapid shriveling of social programs that protect citizens from cyclical instability and financial crises and reduce the vast inequality of economic outcomes between those at the top and bottom of the income distribution.
The collapse of communism, then, opened the entire world to capitalist penetration, shrank the imaginative and ideological space in which opposition to capitalist thought and practices might incubate, and impelled those who remained leftists to redefine their radicalism in alternative terms, which turned out to be those that capitalist systems could more, rather than less, easily manage. This was the moment when neoliberalism in the United States went from being a political movement to a political order.
The United States was part and parcel of the operation at every stage, starting well before the killing started, until the last body dropped and the last political prisoner emerged from jail, decades later, tortured, scarred, and bewildered.
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