Which of the following was part of the War on Terror?

The following events were part of the War on Terror:

1. September 11, 2001 attacks: The terrorist attacks carried out by the Islamic extremist group Al-Qaeda on the World Trade Center towers in New York City and the Pentagon in Virginia.

2. U.S. invasion of Afghanistan: In response to the 9/11 attacks, the United States launched an invasion of Afghanistan in October 2001 to remove the Taliban regime and disrupt Al-Qaeda.

3. U.S. invasion of Iraq: In 2003, the United States, along with a coalition of other countries, invaded Iraq to overthrow Saddam Hussein's regime and eliminate supposed weapons of mass destruction.

4. Guantanamo Bay detention camp: The United States established a detention facility at Guantanamo Bay Naval Base in Cuba to hold suspected terrorists captured during the War on Terror. This facility has been highly controversial due to allegations of human rights abuses and the indefinite detention of detainees.

5. Enhanced interrogation techniques: Controversial interrogation techniques such as waterboarding, stress positions, and prolonged exposure to extreme temperatures were used by the United States in interrogating detainees suspected of being involved in terrorism.

6. Domestic surveillance programs: The U.S. government implemented surveillance programs, such as the National Security Agency's (NSA) PRISM, to monitor electronic communications of individuals suspected of having ties to terrorist organizations.

7. Global coalition and international involvement: The War on Terror involved numerous countries and international organizations joining the United States in the fight against terrorism, including NATO forces in Afghanistan and contributions from various other nations.

Please note that the list above is not exhaustive, and there were various other events, policies, and operations that were part of the broader War on Terror.