Answer:
German Foreign Minister was named Arthur Zimmermann.
Step-by-step explanation:
In January 1917, British cryptographers deciphered a telegram from German Foreign Minister Arthur Zimmermann to the German Minister to Mexico, Von Eckhardt, offering United States territory to Mexico in return for joining the German cause. In the telegram, intercepted and deciphered by British intelligence offering significant financial aid to Mexico if it agreed to enter any future U.S-German conflict as a German ally.