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World war I was fought with new technology. battles were waged by air, land, and sea. destructive weapons such as mustard gas and machine guns added to the horrors of trench warfare. what effect did this technology have on world war I?

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World war I was fought with new technology. battles were waged by air, land, and sea-example-1
User Mhsmith
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the answer is 3 it prolonged the war and increased casualties.
User Muhammad Yaseen
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