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1 vote
What was NOT a new technology used in World War I that contributed to the massive casualty rates?

A) U-Boats
B) poison gas
C) Machine guns
D) Jet fighters

User Nehir
by
8.1k points

2 Answers

2 votes

Answer:

D

Step-by-step explanation:

Because it was not invented before or during the WW1

Hope I am right

User RBee
by
7.6k points
2 votes
D. Because that was something made AFTER WWl it was made before wwll but after wwl
User Bogertron
by
8.1k points
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