Operation Enduring Freedom was a military operation launched by the United States in Afghanistan in 2001 in response to the September 11 attacks.

Mullah Omar was the leader of the Taliban regime in Afghanistan when the United States invaded in 2001.

Operation Iraqi Freedom was a military operation launched by the United States in Iraq in 2003.

George W. Bush was the President of the United States when the War on Terror began.

Al-Qaeda was the terrorist organization responsible for the September 11 attacks.

Osama bin Laden was the leader of Al-Qaeda at the time of the September 11 attacks.

Guantanamo Bay detention camp was the prison in Cuba where the United States held suspected terrorists captured in the War on Terror.

Operation Neptune Spear was the military operation launched by the United States in Pakistan in 2011 that resulted in the death of Osama bin Laden.

PRISM was the program authorized by the United States government that allowed the National Security Agency (NSA) to collect and analyze phone records of American citizens.

Edward Snowden was the whistleblower who leaked classified information about the NSA's surveillance programs to the media.

November 2015 Paris attacks was the name of the terrorist attack in Paris in 2015 that killed 130 people.

March 2016 Brussels attacks was the name of the terrorist attack in Brussels in 2016 that killed 32 people.

Manchester Arena bombing was the name of the terrorist attack in Manchester in 2017 that killed 22 people.

London Bridge attack was the name of the terrorist attack in London in 2017 that killed 8 people.

West Side Highway attack was the name of the terrorist attack in New York City in 2017 that killed 8 people.