Which of the following legislation was passed in the immediate aftermath of the September 11, 2001 homeland attacks?

The USA PATRIOT Act was enacted shortly after the September 11, 2001 attacks as a direct response to enhance domestic security measures and improve the government's capability to prevent future terrorist activities. This legislation aimed to strengthen law enforcement's ability to surveil and investigate suspected terrorists, streamline the process for gathering intelligence, and enhance the sharing of information among various government agencies.

The act introduced several provisions, including expanded wiretapping and surveillance authority, which allowed for greater monitoring of communications to identify potential threats. It also emphasized the importance of collaboration between different branches of government and intelligence agencies to bolster national security.

While other legislation is important in the context of U.S. counterterrorism efforts, such as the USA FREEDOM Act and the Anti-Terrorism and Effective Death Penalty Act, they were enacted at different times and in response to different events. The USA FREEDOM Act was passed in 2015 to reform some provisions of the USA PATRIOT Act and address concerns about privacy and surveillance, while the Anti-Terrorism and Effective Death Penalty Act was passed in 1996 and primarily focused on domestic terrorism and capital punishment issues. Therefore, the USA PATRIOT Act is the most directly connected to the immediate effects