What are some changes that were made at home by the US government as a result of the 911 attacks?

1. The creation of the Department of Homeland Security in 2002, which aimed to coordinate various agencies involved in national security and protect the country from future attacks.

2. The implementation of the USA PATRIOT Act, which gave law enforcement agencies increased powers to monitor and investigate potential threats to national security.

3. Increased security measures at airports, including enhanced screening procedures and the creation of the Transportation Security Administration (TSA) to oversee airport security.

4. The creation of the National Counterterrorism Center (NCTC) to coordinate efforts to prevent and respond to terrorist threats.

5. The establishment of the Terrorist Screening Center (TSC) to consolidate and maintain a comprehensive terrorist watch list.

6. Enhanced intelligence sharing and coordination among federal, state, and local law enforcement agencies to better prevent and respond to potential threats.

7. Increased focus on cybersecurity to protect critical infrastructure and information systems from cyber attacks.

8. Implementation of the Real ID Act, which set minimum security standards for state-issued identification documents, such as driver's licenses, to prevent identity fraud and ensure the integrity of identification documents.