character: Nikola Tesla
topic: Electrical Innovations and Modern Communication
grade: 6
subject: Social Studies
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character: Thomas Edison
topic: Rivalry with Tesla in Electrical Development
grade: 6
subject: Social Studies
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character: Guglielmo Marconi
topic: Role of Tesla's Innovations in Radio Communication
grade: 6
subject: Social Studies
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character: Alexander Graham Bell
topic: Impact of Electrical Innovations on Telecommunications
grade: 6
subject: Social Studies
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