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There were a number of innovations which played a significant role.

Assembly-line production of goods was a major one, as were improved oil refineries. The development of alternating electrical current controbuted to changes in society. Transportation played a role, as in the interstate highway system.

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12y ago
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Ahmed Mohamed

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3y ago

Assembly line production

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Q: What three innovations played a role in creating vast changes in American society during the Roaring Twenties?
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