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Which of the following was NOT a military technology used in World War I?

a. Machine guns
b. Armored tanks
c. Airplanes
d. Poisonous gas
e. Nuclear submarines

User Ohumeronen
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1 Answer

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It would be "e. Nuclear submarines" that was not a military technology used in World War I, since this technology wasn't developed until after World War II. 
User Eveliotc
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