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

Accepted answers

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

Explanation

The United States fought several wars in the 1800s: the War of 1812 (against Britain again), the Mexican-American War, the Civil War (Americans fighting each other), and the Spanish-American War. The Civil War was the deadliest.