character: Jenny
topic: The History of the Great Wall of China
grade: 4
subject: Social Studies
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character: Ming Dynasty
topic: Construction of the Great Wall
grade: 4
subject: Social Studies
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character: Emperor Qin Shi Huang
topic: Initial Walls of China
grade: 4
subject: Social Studies
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character: Ancient Builders
topic: Techniques Used in Wall Construction
grade: 4
subject: Social Studies
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