character: Nikola Tesla
topic: Alternating Current and Its Role in Manufacturing
grade: 8
subject: Social Studies
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character: Thomas Edison
topic: Direct Current vs. Alternating Current
grade: 8
subject: Social Studies
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character: George Westinghouse
topic: Promotion of Alternating Current
grade: 8
subject: Social Studies
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character: Henry Ford
topic: Impact of AC on Manufacturing Processes
grade: 8
subject: Social Studies
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