Griffin, David Ray. “Did 9/11 Justify the War in Afghanistan?” Foreign Policy Journal, Foreign Policy Journal, 5 Sept. 2016, www.foreignpolicyjournal.com/2010/06/25/did-911-justify-the-war-in-afghanistan/.
Tristam, Pierre. “A Brief Introduction of the U.S. and the Middle East Politics.” ThoughtCo, ThoughtCo, www.thoughtco.com/us-and-middle-east-since-1945-2353681.
Keneally, Meghan. “Why the US Got Involved in Afghanistan - and Why It's Been Difficult to Get Out.” ABC News, ABC News Network, 21 Aug. 2017, abcnews.go.com/US/us-involved-afghanistan-difficult/story?id=49341264.
Tristam, Pierre. “A Brief Introduction of the U.S. and the Middle East Politics.” ThoughtCo, ThoughtCo, www.thoughtco.com/us-and-middle-east-since-1945-2353681.
Keneally, Meghan. “Why the US Got Involved in Afghanistan - and Why It's Been Difficult to Get Out.” ABC News, ABC News Network, 21 Aug. 2017, abcnews.go.com/US/us-involved-afghanistan-difficult/story?id=49341264.