Final answer:
Since September 11, 2001, security changes have affected Americans' lives in various ways. These include stricter airport screenings by the TSA, citizens consenting to wiretaps and property searches, and increased border security with more checkpoints and passport checks.
Step-by-step explanation:
The security changes since September 11, 2001, have had several impacts on Americans' lives. First, a new agency called the Transportation Security Administration (TSA) was created to enforce stricter screenings of airline passengers. This means that when people travel by air, they now have to go through more thorough security checks to ensure their safety.
Second, citizens are now required to consent to wiretaps and property searches when asked by the government. This is done to monitor and prevent potential threats to national security. However, it has raised concerns about the restriction of civil rights in the name of national security.
Third, there are more checkpoints along the borders with Mexico and Canada, and border patrol agents now check the passports of people entering the United States. This is aimed at improving border security and preventing illegal immigration and potential threats from entering the country.