character: George Westinghouse
topic: Influence of AC in Power Distribution
grade: 8
subject: Economics
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character: Nikola Tesla
topic: Development of Alternating Current Systems
grade: 8
subject: Economics
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character: Thomas Edison
topic: Conflict Between AC and DC Systems
grade: 8
subject: Economics
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character: Henry Adams
topic: Economic Impact of Electrical System Innovations
grade: 8
subject: Economics
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