character: John A. Roebling
topic: Innovations in Suspension Bridge Design
grade: 8
subject: History
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character: John A. Roebling
topic: Impact of Steel Cables on Bridge Construction
grade: 8
subject: History
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character: John A. Roebling
topic: Advancements in Engineering Techniques
grade: 8
subject: History
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character: John A. Roebling
topic: Legacy of the Brooklyn Bridge
grade: 8
subject: History
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