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What three innovations played a role in creating vast changes in American society during the Roaring Twenties? assembly-line production better oil refineries natural gas lines for energy alternating electrical
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What three innovations played a role in creating vast changes in American society during the Roaring Twenties?

assembly-line production
better oil refineries
natural gas lines for energy
alternating electrical current
commercial aviation
interstate highway system

User Picsoung
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Assembly lines were likely the most prominent of the options then.

User Saksham Khurana
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