Question

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Answer 1

Answer:

The global military, political, and psychological struggle against terrorists and regimes that support them.  Citizens viewed terrorism as national emergency, and united together.

They've been confused of Ethnic backgrounds, race, and religion. Since, Global military have had the objective of trying to eliminate international terrorism.

Terrorism has led to the sharing of information between federal law enforcement agencies and intelligence devices. They've since been investigating suspected terrorists of fear of violation of the 4th Amendment of search and seizure.

As politically, the U.S tended to promote isolationism through the 19th century.