1800s

Practice all 7 questions on 1800s from the USCIS Civics Test. Work through each one, reveal the answer, and read the explanation so it sticks.

Last verified June 2026Official USCIS Civics Test sources

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Name one war fought by the United States in the 1800s.

Acceptable answers

War of 1812
Mexican-American War
Civil War
Spanish-American War

The 1800s were a century of expansion and conflict. The War of 1812 defended sovereignty, the Mexican-American War expanded territory, and the Civil War preserved the Union.

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