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American Troops in the World War II
USCIS Civics · Question 100 of 128

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

Official Answer

World War I

Also accepted: World War II · Korean War · Vietnam War · +1 more

In plain English

One war fought by the United States in the 1900s was World War II. The United States fought five wars in the 1900s: World War I, World War II, the Korean War, the Vietnam War, and the Persian Gulf War. Remember one: World War II.

From the archives

American Troops in the World War II
American Troops in the World War IIPhotograph from the U.S. Army Signal Corps Collection in the U.S. National Archives., via Wikimedia Commons · Public domain
Image: American Troops in the World War II — Photograph from the U.S. Army Signal Corps Collection in the U.S. National Archives., via Wikimedia Commons, Public domain.Answers verbatim from USCIS M-1778 (09/25)