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13 votes
What war German war tatic was effective but also was a large factor in the United States entering the war?

Your answer:
O
trench warfare
O
tank technology
O
submarine warfare
O
none of the above

1 Answer

8 votes

submarine warfare.

Step-by-step explanation:

As germany took down a civilian ship having more than 3000 passenger in medeterian sea..

User Loui
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