After the awful tragedy of 9/11, the United States launched the War on Terror, which vigorously targeted terrorist groups around the world. Through thoughtful narrative supported by fully documented quotes, this title begins with A Brief History of the War on Terror and then examines these questions: How Did the 9/11 Attacks Launch the War on Terror? How Did the Killing of Osama bin Laden Weaken al Qaeda? How Did the War on Terror Contribute to the Founding of ISIS? How Has the War on Terror Altered Global Terrorism?