Question 96 of 128
2025 civics test
American History
What U.S. war ended slavery?
Accepted answers
Accepted answer
- The Civil War
Explanation
The Civil War ended slavery.
The explanation is our own study note, not official wording.
Source: USCIS, 2025 version (USCIS M-1778, 09/25)Verified Jul 23, 2026Official PDF
Question and answer wording is reproduced from the official USCIS study materials. US Citizenship Prep is an independent educational practice tool. It is not affiliated with, endorsed by, or operated by U.S. Citizenship and Immigration Services or any other government agency. Practice results do not guarantee an outcome in an official naturalization interview.