How did the Zimmerman telegram influence U.S. entry into World War I?
a
It contained orders for German U-boats to destroy British passenger ships
b
It described Romania’s plan to abandon neutrality
c
It announced the czar’s overthrow in Russia
d
It revealed a proposed military alliance between Mexico and Germany
The Zimmerman telegraph, was a telegraph from Germany to Mexico proposing an alliance in which Germany would give the land that Mexico lost to the United States if the Mexican people would fight the United States and keep them out of the war
