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What spurred economic growth in the united states during the first half of the 1900s

a. world war 1 and world war 2
b the vietnam war
c high tech industries
d immigrant workers

User OHY
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2 Answers

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World War I and World War II
User Glenn Mohammad
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World War I and II. These wars caused lots of economic growth and development because there was a pressure to create better inventions. Having better technology could mean the win or lose of a war. :D
User Marco Panichi
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