character: Andrew Carnegie
topic: Steel Industry and Infrastructure
grade: 8
subject: Social Studies
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character: John D. Rockefeller
topic: Industrial Growth and Economy
grade: 8
subject: Social Studies
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character: Henry Bessemer
topic: Steel Production Innovations
grade: 8
subject: Social Studies
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character: J.P. Morgan
topic: Finance and Industrial Consolidation
grade: 8
subject: Social Studies
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