Chapter 42 Terms and Definitions

September 11 Attacks

The 2001 al-Qaeda terrorist attacks using hijacked airliners against the World Trade Center and the Pentagon, killing nearly 3,000 people.

Al-Qaeda

The Islamist extremist terrorist network, led by Osama bin Laden, responsible for the September 11 attacks.

Osama bin Laden

Al-Qaeda's founder and leader, mastermind of the September 11 attacks, killed by U.S. Navy SEALs in Pakistan in 2011.

War on Terror

The global campaign declared by President George W. Bush against terrorist organizations and states that harbored them.

USA PATRIOT Act

2001 law that greatly expanded government surveillance and law-enforcement powers to combat terrorism.

Department of Homeland Security

Cabinet department created in 2002, consolidating dozens of agencies to focus on counterterrorism and disaster response.

Operation Enduring Freedom

The U.S.-led military campaign launched in October 2001 against the Taliban and al-Qaeda in Afghanistan.

Taliban

The fundamentalist Islamist movement that ruled Afghanistan and sheltered al-Qaeda before 2001, and retook power in 2021.

Iraq War (2003)

The U.S.-led invasion that toppled Saddam Hussein based on since-discredited claims of weapons of mass destruction, followed by years of insurgency.

Weapons of Mass Destruction (WMD)

Chemical, biological, or nuclear weapons that the Bush administration claimed Iraq possessed, justifying the 2003 invasion; none were found.

The Surge (2007)

A significant increase in U.S. troop levels in Iraq intended to curb sectarian violence and stabilize the country.

Subprime Mortgage Crisis

The collapse of risky home loans issued during the 2000s housing bubble, a central cause of the 2008 financial crisis.

Lehman Brothers Collapse

The September 2008 bankruptcy of the major investment bank that froze global credit markets and deepened the financial crisis.

Troubled Asset Relief Program (TARP)

The $700 billion 2008 federal program to stabilize major banks and financial institutions during the crisis.

Great Recession

The severe economic downturn following the 2008 financial crisis, marked by mass unemployment and foreclosures.

Barack Obama

Elected in 2008 as the first African American president, serving two terms (2009–2017) marked by the Great Recession's aftermath and healthcare reform.

Affordable Care Act (2010)

Obama's signature healthcare law, popularly called "Obamacare," which expanded insurance coverage through subsidized marketplaces and Medicaid expansion.

Death of Osama bin Laden (2011)

The May 2011 U.S. Navy SEAL raid on a compound in Pakistan that killed al-Qaeda's leader.

Obergefell v. Hodges (2015)

The Supreme Court decision that legalized same-sex marriage nationwide.

Polarization

The growing ideological and cultural divide between American political parties and media audiences in the 21st century.

COVID-19 Pandemic

The global coronavirus pandemic that struck the United States beginning in 2020, killing over a million Americans and disrupting the economy and daily life.