character: Lucy
topic: The History of the Great Wall of China
grade: 4
subject: Social Studies
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character: Lucy
topic: The Importance of the Great Wall in Chinese Culture
grade: 4
subject: Social Studies
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character: Lucy
topic: Key Events in the Construction of the Great Wall
grade: 4
subject: Social Studies
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character: Lucy
topic: The Great Wall's Impact on Trade and Defense
grade: 4
subject: Social Studies
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