2008 test · 88/100Geography

Question 88 (2008): Name one of the two longest rivers in the United States.

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This question is only on the 2008 test (N-400 filed before October 20, 2025); it's not on the 2025 list.

Official answers (any one counts)

• Missouri (River)
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• Mississippi (River)
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Grandpa explains

The Missouri and the Mississippi are the two longest, kiddo. They meet near St. Louis.

Same topic (2008)

• 89What ocean is on the West Coast of the United States?
• 90What ocean is on the East Coast of the United States?
• 91Name one U.S. territory.
• 92Name one state that borders Canada.
• 93Name one state that borders Mexico.
• 94What is the capital of the United States?

← All 100 questions (2008)

Official sources:

• USCIS · 100 Civics Questions and Answers (2008 version) ↗ · checked October 6, 2026

We are not USCIS or any government agency. This is an educational course built on the official USCIS lists; it is not legal advice. For your case, talk to an immigration attorney or a Department of Justice (DOJ) accredited representative.