character: Thomas Edison
topic: Rivalry with Tesla in Electric Power Systems
grade: 8
subject: Mathematics
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character: Nikola Tesla
topic: Rivalry with Edison in Electric Power Systems
grade: 8
subject: Mathematics
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character: George Westinghouse
topic: Role in Tesla and Edison's Electric Power Rivalry
grade: 8
subject: Mathematics
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character: Henry Ford
topic: Impact of Edison's Work on the Automotive Industry
grade: 8
subject: Mathematics
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