Section: American History: 1800s

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

Official answer

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

Why

Wars in the 1800s included the War of 1812, the Mexican-American War, the Civil War, and the Spanish-American War.

Answers verified against USCIS materials. Last checked 2026-07-17.

Official source: USCIS — 128 Civics Questions and Answers (2025)