Which two measures did the united states take to counter terrorism after the september 11 attacks?

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Which two measures did the United States take to counter terrorism after the September 11 attacks?

withdrew support for Israel

passed the Patriot Act

banned immigration

increased airport security

denied entrance to foreigners

passed the Patriot Act  and increased airport security .

Explanation:

The immediate outcome of the 9/11 attacks was the creation of the Transportation Security Administration (TSA) and the passage of the Patriot Act.

The TSA established tight airport security measures.

The Patriot Act is legislation passed in 2001 to improve the abilities of U.S. law enforcement to detect and deter terrorism. The official title of the act was “Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism.

a and e is the answer