Nelly Lahoud, Philip Gordon, and more on the world the war on terror made
Foreign Affairs

September 9, 2026  |  View in Browser

After 25 years, the United States may finally be closing a chapter that began with the attacks on September 11, 2001, and President George W. Bush’s declaration of a “war on terror” days later. Although “terrorism has not ceased” and “jihadism has not gone away,” al-Qaeda, the group responsible for the attacks, “is finished,” Audrey Kurth Cronin writes. So is the war on terror, the “guiding framework for U.S. foreign policy” for the last quarter century, Philip Gordon contends.

To mark this week’s anniversary, we’re sharing some of the best writing in Foreign Affairs that grapples with the conduct and consequences of that war. Just months after the 9/11 attacks, Michael Scott Doran warned that the United States was about to wade into a conflict whose “true dimensions” it did not fully understand. Decades of fighting would prove the warning prescient. What was more difficult to foresee then was how much the war on terror would change the world—and how steep a price Americans would pay.

Start reading below. 

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How al-Qaeda Ended

Terrorists Sometimes Defeat Themselves

By Audrey Kurth Cronin

Published September 2026

 
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Bin Laden’s Catastrophic Success

Al Qaeda Changed the World—but Not in the Way It Expected

By Nelly Lahoud

Published August 2021

 
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What Was the War on Terror?

A Quarter Century of Fear and Fantasy

By Philip H. Gordon

Published August 2026

 
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Winning Ugly

What the War on Terror Cost America

By Elliot Ackerman

Published August 2021

 
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Somebody Else’s Civil War

By Michael Scott Doran

Published January 2002

 

Find more in the Foreign Affairs archives. 

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