Final answer:
The Zimmermann telegram was a secret diplomatic communication sent by the German foreign secretary during World War I, proposing an alliance between Germany and Mexico.
Step-by-step explanation:
The Zimmermann telegram was a secret diplomatic communication sent by the German foreign secretary, Arthur Zimmermann, during World War I. The telegram proposed an alliance between Germany and Mexico if the United States entered the war against Germany. The content of the telegram stated that Germany would support Mexico in recovering the territories of Texas, Arizona, and New Mexico from the United States if Mexico sided with Germany.
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