Question

Which was a major cause for the entry of the U.S. into World War I?
Responses
A Germany invaded BelgiumGermany invaded Belgium
B the U.S. was attacked by Japanthe U.S. was attacked by Japan
C Germany was sinking American shipsGermany was sinking American ships
D the U.S. wanted to expand into Europe

Answers

GPT-4o mini
C. Germany was sinking American ships

The unrestricted submarine warfare by Germany, which included the sinking of ships like the Lusitania that carried American passengers and goods, was a major factor that led to the U.S. entering World War I.