The Inflammatory Zimmerman Telegram Proposed That in the Event of War

The inflammatory Zimmerman telegram proposed that in the event of war between the U.S. and Germany,

A) Mexico would attack the U.S.
B) Germany would unleash unrestricted submarine warfare on U.S. merchant vessels.
C) the U.S., once the Central Powers were defeated, would take over the German colonies.
D) German nationals within the U.S. would be held in internment camps.