American History — 1800s · Question 82 of 128

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

Practice answer: The Civil War

Why this is the answer

The Civil War was fought in the United States during the 1800s, from 1861 to 1865. Other U.S. wars in that century include the War of 1812 and the Spanish-American War.

On the 2026 citizenship test, a USCIS officer asks up to 20 questions from the official 128-question pool — answering 12 correctly passes.

Study translations and question index

Practice index: 82. This is not the official 2025 syllabus question number. Translation indices share the same practice ID and answer-option order.

Español — practice:82:es

Mencione UNA guerra librada por Estados Unidos en el siglo XIX.

La Guerra Civil

العربية — practice:82:ar

اذكر حربًا واحدة خاضتها الولايات المتحدة في القرن التاسع عشر.

الحرب الأهلية

Official syllabus and legal sources

M-1778 (09/25) — 2025 USCIS syllabus. Retrieved 2026-10-15. Check current USCIS answers.

These laws establish testing requirements; they are not individual legal advice or a citation for every historical answer. Practice questions and study translations are editorial learning aids, not official USCIS translations. Confirm the test version that applies to your filing date.

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