All 128 questions · American History / C: Recent American History
2025 Civics Test · Question 106 of 128
Why did the United States enter World War II?
En español: ¿Por qué entró Estados Unidos en la Segunda Guerra Mundial? — ver en español
Try to answer out loud first — then check
Accepted answers (USCIS M-1778)
- (Bombing of) Pearl Harbor
- Japanese attacked Pearl Harbor
- To support the Allied Powers (England, France, and Russia)
- To oppose the Axis Powers (Germany, Italy, and Japan)
Why this is the answerPearl Harbor, December 7, 1941 — Japan attacked the naval base in Hawaii and the country declared war the next day.
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)