character: Thomas Edison
topic: Direct Current Technologies
grade: 8
subject: Economics
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character: Nikola Tesla
topic: Alternating Current vs Direct Current
grade: 8
subject: Economics
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character: George Westinghouse
topic: Influence of AC in Power Distribution
grade: 8
subject: Economics
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character: Henry Ford
topic: Impact of Electricity on Manufacturing
grade: 8
subject: Economics
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