American History · Question 101 of 128

Why did the United States enter World War I?

The plain-English explanation for this question is being written and checked. The official answer above is exact, as USCIS publishes it.

Related questions

1. 100. Name one war fought by the United States in the 1900s.
2. 102. When did all women get the right to vote?
3. 103. What was the Great Depression?
4. 104. When did the Great Depression start?
5. 105. Who was president during the Great Depression and World War II?

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