What was one way that America responded to the fear of nuclear attack in the postwar years?
O The United States decided to stop supporting West Berlin to prevent conflicts with the Soviets.
o Congress began investigating people suspected of being communists or communist sympathizers.
O The U.S. military built nuclear missile facilities in Cuba to deter future attacks from Soviet warships.
o Congress passed immigration laws to prohibit Eastern Europeans from moving to the United States.

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Answer:

Congress began investigating people suspected of being communists or communist sympathizers.  

Explanation:

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Due to the general armaments race, many Americans feared that nuclear war may break out at any time, and the US government advised residents to prepare to withstand an atomic bomb.

What did the US government do?

Fears of nuclear war dominated American society and culture in the 1950s, with both the United States and the Soviet Union stockpiling nuclear weapons. Schools started giving out dog tags to pupils so that their families could identify their bodies if they were attacked.

The United States government issued guidelines for constructing and outfitting bomb shelters in basements or backyards, and some communities built municipal shelters.

Nuclear bomb drills became a standard aspect of catastrophe preparation. 55beginning superscript, 5, ending superscript

Duck and Cover, a civil defense film that was originally shown in 1952, attempted to help kids protect themselves from injury after a nuclear strike by encouraging them to seek shelter and cover themselves to prevent burns.

Thus, option B is the way America responded to a nuclear bomb.

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