9/11 Impact

Teaching Module

Teaching Module: The Closing of the American Border

Author: Edward Alden

This module features teaching notes by CFR Senior Fellow Edward Alden, author of The Closing of the American Border: Terrorism, Immigration, and Security Since 9/11, along with other resources to supplement the text. In this book, Mr. Alden examines the complicated interplay between the United States' need for homeland security and economic openness in the wake of the September 11, 2001, terrorist attacks.

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Hamilton: In Five Years Since 9/11, United States Is 'Safer But Not Safe'

Lee H. Hamilton interviewed by Bernard Gwertzman

Lee H. Hamilton, the vice-chairman of the National Commission on Terrorist Attacks upon the United States (also known as the 9/11 Commission), says "I would agree with the general assessment that we are safer than we were prior to 9/11, but we are not safe." While he is concerned about better protecting the United States from weapons of mass destruction, he is greatly worried about bioterrorism and ordinary chemical weapons.

See more in United States; 9/11 Impact; Preparedness