Integrated Civics — Geography · Question 100 of 128

Name ONE of the two longest rivers in the United States.

Practice answer: The Mississippi River

Why this is the answer

The Mississippi River and the Missouri River are the two longest rivers in the United States. Either name is a correct answer.

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

Español — practice:100:es

Mencione UNO de los dos ríos más largos de los Estados Unidos.

El río Misisipi

العربية — practice:100:ar

اذكر واحدًا من أطول نهرين في الولايات المتحدة.

نهر Mississippi

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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