Fact Check: Terrorist attacks on September 11, 2001 changed national security policies worldwide.

Fact Check: Terrorist attacks on September 11, 2001 changed national security policies worldwide.

Published July 1, 2025
by TruthOrFake AI
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VERDICT
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# Fact Check: "Terrorist attacks on September 11, 2001 changed national security policies worldwide." ## What We Know The terrorist attacks on Septem...

Fact Check: "Terrorist attacks on September 11, 2001 changed national security policies worldwide."

What We Know

The terrorist attacks on September 11, 2001, had profound effects on national security policies not only in the United States but also globally. Following the attacks, the U.S. government initiated military operations in Afghanistan and Iraq, fundamentally altering its approach to international relations and security. According to a report from the Harvard Kennedy School, the attacks prompted significant enhancements in homeland security measures aimed at preventing further attacks, marking a shift in how national security was perceivedβ€”no longer just a concern "over there" but a critical issue within the U.S. itself (source-2).

The U.S. Department of Justice noted that the post-9/11 landscape saw the implementation of new intelligence and law enforcement tools, alongside a commitment to safeguarding civil liberties while enhancing national security (source-4). Furthermore, the attacks led to the establishment of the Department of Homeland Security, which was tasked with coordinating national efforts to prevent terrorism (source-1).

Analysis

The evidence overwhelmingly supports the claim that 9/11 changed national security policies worldwide. The military responses in Afghanistan and Iraq were direct consequences of the attacks, reflecting a shift towards preemptive military action against perceived threats. The establishment of the Department of Homeland Security is a clear indicator of how seriously the U.S. government took the need for enhanced domestic security measures (source-1, source-2).

Moreover, the changes were not limited to the U.S.; many countries around the world revised their own security policies in response to the global threat of terrorism. The attacks prompted international cooperation on intelligence sharing and counterterrorism efforts, as nations recognized the need to work together to combat a common enemy (source-5).

However, it is important to consider the reliability of the sources. The Harvard Kennedy School and the U.S. Department of Justice are reputable institutions with expertise in national security and public policy. Their analyses are based on extensive research and official data, lending credibility to their claims about the changes in national security policy post-9/11.

Conclusion

The claim that "terrorist attacks on September 11, 2001 changed national security policies worldwide" is True. The evidence clearly shows that the attacks led to significant shifts in both U.S. and global security policies, including military interventions, the establishment of new governmental bodies, and changes in international cooperation against terrorism.

Sources

  1. Summary - Science and Security in a Post 9/11 World
  2. 15 years after 9/11, how has national security changed?
  3. Implementing 9/11 Commission Recommendations
  4. USDOJ: Ten Years Later: The Justice Department after 9/11
  5. How 9/11 Changed the World | BU Today | Boston University
  6. The National Security Strategy of the United States
  7. How technology and the world have changed since 9/11
  8. Historical Office > DOD History > Pentagon > 9/11 Attack

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