character: Andrew Carnegie
topic: Innovations in Steel Production
grade: 12
subject: Economics
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character: John A. Roebling
topic: Engineering Innovations in the 19th Century
grade: 12
subject: Economics
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character: Henry Bessemer
topic: The Bessemer Process and Its Impact on Steelmaking
grade: 12
subject: Economics
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character: J.P. Morgan
topic: Financing Industrial Innovations in the Steel Industry
grade: 12
subject: Economics
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