character: Emperor Wu
topic: Silk and Trade in Ancient China
grade: 3
subject: History
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character: Luoyang Silk Workers
topic: The Process of Silk Production
grade: 3
subject: History
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character: Zheng He
topic: Chinese Innovations and Maritime Trade
grade: 3
subject: History
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character: Confucius
topic: Cultural Impact of Chinese Innovations
grade: 3
subject: History
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