All 128 questions · American History / C: Recent American History
2025 Civics Test · Question 101 of 128
Why did the United States enter World War I?
En español: ¿Por qué entró Estados Unidos en la Primera Guerra Mundial? — ver en español
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Accepted answers (USCIS M-1778)
- Because Germany attacked U.S. (civilian) ships
- To support the Allied Powers (England, France, Italy, and Russia)
- To oppose the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria)
Why this is the answerGermany was sinking civilian ships, including ones carrying Americans. The country had tried to stay out for three years and that finally made it impossible.
See it explained▶ The world wars and the Great DepressionFree short lesson on our YouTube channel — no signup, nothing to install.
This answer is free — here and everywhere else on the internet. Still having it in the interview room, out loud, in English, under pressure: that’s what Naturalizer trains.
In the Naturalizer app, this question is taught inside “The long arc” — American history from the colonies to today, told as one continuous thread. On the real test, an officer asks up to 20 of the 128 questions out loud; 12 correct answers pass.
The real test is oral — practice answering out loudFree to start — no card needed.
Free PDF: 10 study rules + all 128 questions with answers (English + Spanish)