Why did the U.S. enter the war?
The date is May 7, 1915, just nine months into
World War I.
A German U-boat torpedoes the Lusitania—
one of the largest and fastest luxury liners of
its day. Of the 1,959 people aboard nearly
two-thirds will die, 128 being American.
Also The Zimmerman note, was a note from
Germany to Mexico who tempted Mexico
With gaining land from America back. (Texas, New Mexico)
Worried about losing land Woodrow Wilson declared war on Germany