The Zimmerman Note was a secret telegram sent by Germany to the leaders of Mexico. Why did the Zimmerman Note cause outrage among Americans?
It revealed that Mexico was getting ready to enter the war on the German side
It promised Mexico that Germany would help it reclaim territory in the United States if
the United States entered the war against Germany
Zimmerman was passing American secrets to Germany with the help of Mexican
leaders
The telegram contained secret messages sent by American leaders to its commanders
on European battlefields