Answered

Which of these caused the United States to become involved in World War I?

Athe German invasion of Poland Eliminate
Brepeated violation of treaties by Japan
Cenemy bombing of American military bases
Dthreats to American security made by Germany

Verified Answer :

The correct answer is:

d. threats to American security made by Germany


Specifically, the threats were about Germany trying to make Mexico wage war on the US and Germany attacking submarines in the Atlantic, which was against international treaties.

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