Name one war fought by the United States in the 1900s.
Accepted answers
- World War I
- World War II
- Korean War
- Vietnam War
- (Persian) Gulf War
Explanation
The United States fought five major wars in the 1900s: World War I, World War II, the Korean War, the Vietnam War, and the Persian Gulf War. You only need to name one.
Source: USCIS 2025 Civics Test — 128 Questions and Answers (PDF).
Last verified against USCIS on .