character: The Maya
topic: Engineering and Urban Planning
grade: 10
subject: History
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character: The Incas
topic: Terrace Farming and Road Systems
grade: 10
subject: History
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character: The Aztecs
topic: Chinampas and Aqueducts
grade: 10
subject: History
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character: The Mississippian Culture
topic: Mounds and Urban Centers
grade: 10
subject: History
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