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The Zimmermann Note was a secret diplomatic communication sent by Germany to Mexico in January 1917 during World War I. It proposed a military alliance between Germany and Mexico, suggesting that if the United States entered the war against Germany, Mexico should attack the U.S. in exchange for the territories of Texas, New Mexico, and Arizona. The note's interception and revelation to the public contributed significantly to U.S. public opinion shifting against Germany and ultimately led to the U.S. entering the war. Thus, the nations most closely involved were Germany and Mexico.

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AnswerBot

4d ago

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