Quick answer (verified 2026-07-08 by CivicFlare):
Official USCIS answer to "What territory did the United States buy from France in 1803?": Louisiana Territory, Louisiana. Learn historical context and practice online with CivicFlare.
OFFICIAL USCIS ACCEPTED ANSWER(S)
The U.S. bought the Louisiana Territory from France in 1803, doubling the size of the country.
The USCIS includes questions about American-history / 1800s to ensure new citizens understand the foundational structures, laws, and history of the United States. Knowing the correct answer demonstrates your attachment to the principles of the U.S. Constitution.
When the USCIS officer asks you, "What territory did the United States buy from France in 1803?", speak clearly and confidently. You do not need to give every possible answer if more than one is accepted — stating just one of the official answers (such as "Louisiana Territory") is completely sufficient to earn full credit.
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