Why did the United States enter World War I?

Accepted answers

1. Because Germany attacked U.S. (civilian) ships
2. To support the Allied Powers (England, France, Italy, and Russia)
3. To oppose the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria)

Source: USCIS 2025 Civics Test (M-1778 (09/25))

Practice all 128 questions with CitizenPrep AI

Quizzes, audio review, streaks, and AI-guided interview practice — built for iPhone.