Reason for U.S. enters Great War

topic 2

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America in World War I: Crash Course US History #30

VOCABULARY

U-boat~ a german submarine


Woodrow wilson~ president during WW1


Zimmerman telogram~ a telogram from germany to mexico against us during WW1


contraband~ supplys that are captured from an enemy during war time


Lusitania~ british passenger line sunk by german u-boat