Question 111 of 128 · 2025 test
Why did the United States enter the Vietnam War?
2025 test only
This question is from the 2025 test, which applies if you filed Form N-400 on or after Oct 20, 2025: the officer asks up to 20 of the 128 questions and 12 correct answers pass. Earlier filers take the 2008 test - check your version on the official USCIS test-updates page.
Accepted answer
- To stop the spread of communism
The 65/20 special consideration
Question 111 is not one of the 20 asterisked questions, so an applicant who qualifies for the 65/20 special consideration would not be asked it. Everyone else studies all 128.
Answers that get mixed up with this one
These are the wrong options the 2025 practice test puts beside this question. Each one is the correct answer to a different 2025 question.
- Freed the slavesanswers Question 95: What did the Emancipation Proclamation do?
- (Because there were) 13 original coloniesanswers Question 121: Why does the flag have 13 stripes?
- A holiday to honor people in the (U.S.) militaryanswers Question 128: What is Veterans Day?
More Recent American History and Other Important Historical Information questions
Question and answers from the USCIS document 128 Civics Questions and Answers (2025 version), M-1778 (09/25), U.S. government public domain.