Respuesta :
The actions that directly contributed to the United States entering World War I were:
A. Germany sank US ships.
C. Germany sent the Zimmermann Telegram.
What was the Zimmermann Telegram?
The Arthur Zimmermann Telegram was a coded or secret diplomatic communication issued by Germany's Foreign Minister, proposing a military alliance between Germany and Mexico if the United States entered the war.
In the Zimmermann telegram, Germany promised to help Mexico take back Texas, Arizona, and New Mexico from the United States.
The Zimmermann telegram was issued by Arthur Zimmermann from the German Foreign Office in January 1917.
Thus, the actions that directly contributed to the United States entering World War I were Options A and C.
Learn more about the Zimmermann Telegram at https://brainly.com/question/863838
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