Question 109: During the Cold War, what was one main concern of the United States?
Official answers (any one counts)
USCIS accepts any of these answers. If the question asks for more than one, give as many as it asks.
- Communism
- Nuclear war
Grandpa explains
They feared communism would spread around the world, and that a war with atomic bombs would destroy everything.
Careful: these are NOT the answer
These are the common mix-ups. The app uses them as traps so you practice.
- Slavery
- Taxes from England
- Climate change
On the 2008 test this is question 83
If you filed your N-400 before October 20, 2025, you take the 2008 version. Which one is mine?
During the Cold War, what was the main concern of the United States?
- Communism
Video lesson on this topic: The 1900s and Today
More questions on this topic
- 110Why did the United States enter the Korean War?
- 111Why did the United States enter the Vietnam War?
- 112What did the civil rights movement do?
- 113Martin Luther King, Jr. is famous for many things. Name one. ★
- 114Why did the United States enter the Persian Gulf War?
- 115What major event happened on September 11, 2001 in the United States? ★
Official sources:
- USCIS · 128 Civics Questions and Answers (2025 version), M-1778 (09/25) ↗ · checked October 6, 2026
The plain explanation is ours; the official answers are USCIS's, word for word.