During the Cold War, what was one main concern of the United States?

Answers from the USCIS list

Give one of these answers.

• Communism
• Nuclear war

Our explanation

Communism is a type of government that plans the economy and controls most resources. The U.S. wanted to stop it from spreading. The U.S. also feared a nuclear war (a war with atomic bombs) with the Soviet Union.

Remember it

Cold War fears: communism spreading and nuclear war.

Source

USCIS 2025 Study Guide (One Nation, One People, M-1175) p. 65: “the main concern of the United States was the spread of communism.” … “the government plans the economy and controls most of the resources.” “Nuclear war” from M-1778 (09/25) 128 Civics Questions and Answers, Q109.

• 128 Civics Questions and Answers (2025 version), M-1778 (09/25) (PDF, USCIS)

Last checked on September 29, 2026.

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