These new military technologies resulted in a huge expansion of the military tactic known as trench warfare and made _______ the most deadly war up to that point in history. Tanks Machine Guns Poison Gas

asked Nov 26, 2021 53.3k views

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Answer:

The answer is World War 1

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Its on USATestprep

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7 votes

Girls the correct answer is:B/Machine Gas

Peter Rincker answered Nov 30, 2021

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