Answer:
A. America's industry played a large role
B. There were many more civilian deaths in World War ll than World War l
Explanation:
A. America's industry is what helped win the war
B. In world war 1 there were almost 7 million civilian deaths but in world war 2 there were 38 to 55 million civilians killed
D. would also work because there were a LOT of technological advances in warfare
Hello there ^ _ ^
The effect of reducing the size and cost of computers is because many ordinary people could buy and use them.
The correct option is : D
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I hope this help!
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