How did the zimmerman telegram influence u. s. entry into world war 1

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;

Which is true about the monroe doctrine?

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.