2025 civics test · Question 106

Why did the United States enter World War II?

Recent American History and Other Important Historical Information

Accepted USCIS answers

  • (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)

Source: USCIS 2025 question list. Question list checked September 29, 2026.