Causes and Consequences of 9/11

Vocabulary flashcards covering the 5 main causes and 5 main consequences of the September 11 terrorist attacks based on the lecture notes.

Bin Laden's "Letter to America"

A document listing grievances—including US support for Israel, US troops stationed in Saudi Arabia, and sanctions on Iraq—that motivated al-Qaeda to attack the United States.

US Foreign Policy in the Middle East (Cause of 9/11)

Decades of US support for Israel and authoritarian Middle Eastern regimes, along with a US military presence in Saudi Arabia, which created deep resentment in the region that al-Qaeda exploited to justify attacks.

Al-Qaeda

An extremist Islamic organisation that shifted its focus from 'far enemies' to attacking the United States directly, planning and carrying out the 9/11 attacks.

9/11 Security Failures

Intelligence failures and weak airport security that allowed the 19 hijackers to board the planes with weapons, causing the attack to succeed.

Pre-9/11 Escalating Attacks

Earlier attacks against US targets—including the 1993 World Trade Center bombing, the 1998 US embassy bombings, and the 2000 USS Cole bombing—that showed an escalating pattern leading directly to 9/11.

The War on Terror

A global campaign launched by the United States in response to 9/11, involving the invasion of Afghanistan to destroy al-Qaeda and later Iraq in search for weapons of mass destruction.

9/11 Death Toll and Destruction

The casualties of 9/11, which killed 2,977 people in New York, Washington DC, and Shanksville, Pennsylvania, and injured over 6,100 more, making it the deadliest attack on mainland US soil.

Post-9/11 Extra Security Measures

Sweeping security changes introduced after 9/11, including the creation of the TSA, stricter airport screening, expanded surveillance, and the Homeland Security Act.

TSA (Transportation Security Administration)

An agency created after 9/11 as part of sweeping US extra security measures that introduced stricter airport screening.

Homeland Security Act

A post-9/11 law passed alongside sweeping security measures, such as the creation of the TSA and expanded surveillance, which changed everyday American life.

Post-9/11 Racial and Religious Prejudice

Widespread prejudice, discrimination, and hate crimes in the United States faced by Muslims, Arab Americans, and people perceived as Middle Eastern in the aftermath of 9/11.

Historical Legacy of 9/11

The lasting impact of the 9/11 attacks, which fundamentally changed US foreign policy, national security, and everyday life as one of the most significant events of the 21st century.