R

Ram Sharma • 193.84K Points
Coach History

  • (A) 1915
  • (B) 1916
  • (C) 1917
  • (D) None of these
Correct Answer - Option(C)

Explanation by: Ram Sharma
In 1917, Germany, determined to win its war of attrition against the Allies, announced the resumption of unrestricted warfare in war-zone waters. Three days later, the United States broke diplomatic relations with Germany, and just hours after that the American liner Housatonic was sunk by a German U-boat.

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