100. Name one war fought by the United States in the 1900s.
American History · Recent American History and Other Important Historical Information
Accepted answer(s)
- World War I
- World War II
- Korean War
- Vietnam War
- (Persian) Gulf War
This question comes from the American History section of the 2025 Civics Test. USCIS includes it to confirm applicants know the founding events and figures behind U.S. citizenship, not just civics theory. The accepted answer, "World War I", is worth memorizing exactly since dates and names are graded strictly in the interview.
This is question 100 of the 2025 Civics Test. See it on uscis.gov. This question is worded the same way on the 2008 Civics Test.
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