World War II

6. 1917: U.S. ENTRANCE--RUSSIAN WITHDRAWAL. Q17. Why did the Germans resume unrestricted submarine warfare against Great Britain in early 1917? (2 points) Q18. What drove the US to declare war against Germany in April 1917? (1 point) Use of Tanks. Q19. Which battle saw the first successful use of tanks in battle? (1 point) The Americans Arrive ... ................
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