character: Henry Ford
topic: The Automobile Industry and American Innovation
grade: 9
subject: Social Studies
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character: Thomas Edison
topic: American Innovation in Industry
grade: 9
subject: Social Studies
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character: John D. Rockefeller
topic: Industry and Economic Growth in America
grade: 9
subject: Social Studies
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character: Andrew Carnegie
topic: The Rise of Industry in the United States
grade: 9
subject: Social Studies
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