Question 96: What U.S. war ended slavery?
Official answer
- The Civil War
Grandpa explains
After the Civil War, the 13th Amendment (1865) ended slavery in the whole country, kiddo.
Careful: these are NOT the answer
These are the common mix-ups. The app uses them as traps so you practice.
- The Revolutionary War
- The War of 1812
- World War I
Video lesson on this topic: The 1800s
More questions on this topic
- 97What amendment says all persons born or naturalized in the United States, and subject to the jurisdiction thereof, are U.S. citizens?
- 98When did all men get the right to vote?
- 99Name one leader of the women's rights movement in the 1800s.
- 90What territory did the United States buy from France in 1803?
- 91Name one war fought by the United States in the 1800s.
- 92Name the U.S. war between the North and the South.
Official sources:
- USCIS · 128 Civics Questions and Answers (2025 version), M-1778 (09/25) ↗ · checked October 6, 2026
The plain explanation is ours; the official answers are USCIS's, word for word.