character: Henry Ford
topic: Important industrialist during the World War I era
grade: 2
subject: History
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character: Thomas Edison
topic: Inventor and contemporary of Henry Ford
grade: 2
subject: History
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character: John D. Rockefeller
topic: Famous industrialist in the early 20th century
grade: 2
subject: History
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character: Andrew Carnegie
topic: Steel magnate in the World War I period
grade: 2
subject: History
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