US Citizenship Prep
Question 78 of 100
2008 civics test
American History
65/20

Name one war fought by the United States in the 1900s.

Accepted answers

Accepted answers

  • World War I
  • World War II
  • Korean War
  • Vietnam War
  • (Persian) Gulf War

Explanation

1900s wars include World War I, World War II, the Korean War, the Vietnam War, and the Persian Gulf War.

The explanation is our own study note, not official wording.

Source: USCIS, 2008 version (USCIS Office of Citizenship, rev. 08/21)Verified Sep 14, 2026Official PDF

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Question and answer wording is reproduced from the official USCIS study materials. US Citizenship Prep is an independent educational practice tool. It is not affiliated with, endorsed by, or operated by U.S. Citizenship and Immigration Services or any other government agency. Practice results do not guarantee an outcome in an official naturalization interview.

Name one war fought by the United States in the 1900s. (2008 civics test, question 78) | US Citizenship Prep