All 128 questions · American History / B: 1800s

2025 Civics Test · Question 96 of 128

What U.S. war ended slavery?

En español: ¿Qué guerra de los EE. UU. puso fin a la esclavitud? — ver en español

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Accepted answers (USCIS M-1778)

  • The Civil War
Why this is the answerThe war ran from 1861 to 1865, fought over whether slavery would continue. Lincoln’s Emancipation Proclamation came in the middle of it, but it was the 13th Amendment at the end that made the change permanent.
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This answer is free — here and everywhere else on the internet. Still having it in the interview room, out loud, in English, under pressure: that’s what Naturalizer trains.

In the Naturalizer app, this question is taught inside “The long arc” — American history from the colonies to today, told as one continuous thread. On the real test, an officer asks up to 20 of the 128 questions out loud; 12 correct answers pass.

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