Legislation Post-9/11: The Patriot Act

In the aftermath of the September 11, 2001 attacks, the United States government launched several significant policies aimed at combating terrorism. One of the most consequential pieces of legislation was passed in the weeks following the attacks, which sought to enhance domestic security and surveillance. This legislation marked a substantial shift in U.S. policy towards both national security and civil liberties.

Which of the following is the name of the legislation that was enacted to expand the powers of federal law enforcement agencies in their fight against terror?