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1h 43min, jan 31, 1917 y - Germany resumes unlimited submarine warfare

Description:

German U-boats were preapred to attack any ships situated in war-zones (even civilian ships). Many US ships travelling to Gretat Britain were sunk by the German U-boat

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The United States during World War I

ByCharlotte W
2 Nov 2017
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Date:

1h 43min, jan 31, 1917 y
Now
~ 108 years ago
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