Answer:
Sinking of American merchant ships
Its declared decision on 31 January 1917 to target neutral shipping in a designated war-zone became the immediate cause of the entry of the United States into the war.
Explanation:
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Answer:
explanation of urbanization
The term Levee en masse denotes a short-term requisition of all able-bodied men to defend the nation and was based upon the concept of the democratic citizen versus the royal subject.
The long graveyard is another name for the great wall of china.
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