Causes: Dissatisfaction with liberal policies, economic stagnation, and Cold War tensions. Effects: Tax cuts, deregulation, increased military spending, and a conservative shift in American politics.

Causes: Technological advancements, reduced trade barriers, and the end of the Cold War. Effects: Increased international trade, outsourcing of jobs, cultural exchange, and the rise of multinational corporations.

Causes: Rise of Islamic extremism, Al Qaeda's opposition to US foreign policy. Effects: The Global War on Terror, military interventions in Afghanistan and Iraq, increased security measures, and a shift in US foreign policy.

Causes: Housing market bubble, risky lending practices, and deregulation of the financial industry. Effects: Bank failures, job losses, economic downturn, government intervention, and increased national debt.

Causes: Economic stagnation in the Soviet Union, political reforms under Gorbachev, and pressure from the United States. Effects: Collapse of the Soviet Union, end of the bipolar world order, and a new era of American dominance.

Causes: Desire to eliminate discriminatory national origin quotas. Effects: Increased immigration from Latin America and Asia, demographic shifts in the United States, and greater cultural diversity.

Marked the collapse of the Soviet Union and the end of decades-long geopolitical tension between the US and the Soviet bloc, leading to a new era of American dominance.

A US-led military operation in 1991 to liberate Kuwait from Iraqi invasion, showcasing American military power and leadership in the post-Cold War era.

Triggered the Global War on Terror, leading to military interventions in Afghanistan and Iraq, and significantly reshaping US foreign and domestic policy.

The Supreme Court decision that legalized same-sex marriage nationwide, marking a major victory for the LGBTQ rights movement.

A severe economic downturn in the late 2000s triggered by a housing market crash, leading to bank failures, job losses, and government intervention.

A stimulus package enacted in response to the Great Recession, aimed at boosting the economy through government spending on infrastructure, education, and healthcare.

A 1987 agreement between the United States and the Soviet Union that eliminated intermediate-range nuclear and ground launched missiles.

A comprehensive healthcare reform law enacted in 2010 that expanded health insurance coverage and made changes to the healthcare system.

A U.S.-led military invasion of Iraq based on claims of weapons of mass destruction, leading to a prolonged conflict and political instability.

A document released by the Republican Party during the 1994 Congressional election campaign. Written by Newt Gingrich and Richard Armey, it detailed the actions the Republicans promised to take if they became the majority party in the United States House of Representatives.

A conservative president whose policies led to the 'Reagan Revolution' and a shift in American politics. He is also credited with helping to end the Cold War.

The last leader of the Soviet Union, whose reforms and negotiations with Reagan led to the end of the Cold War.

A Democratic president who declared 'the era of Big Government is over' and presided over a period of economic prosperity.

President who led the US during the Persian Gulf War and promoted a 'New World Order'.

The first African American president of the United States, who passed the Affordable Care Act and led the country during the Great Recession recovery.

A Republican politician who served as the 50th Speaker of the House of Representatives from 1995 to 1999. He was a key figure in the Republican Revolution of 1994, which brought the Republican Party to power in Congress for the first time in 40 years.

President during the 9/11 attacks, who initiated the Global War on Terror and the invasion of Iraq.