what was the effect on the Zimmermann telegram on World war 1?

Well, The Zimmermann sent the telegram in anticipation of resumption of unrestricted submarine warfare, an act the German government expected would likely lead to war with the U.S. Good Luck!

Answer :

The telegram was an internal diplomatic message sent in January 1917 from the German foreign secretary Arthur Zimmermann in Berlin, to the German Embassy in Mexico. It proposed a military alliance between Germany and Mexico, in the event of the United States entering the First World War in support of the Allies.

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although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.