Unit 1: Period 1: 1491–1607
AP United States HistoryEuropean exploration begins
The Columbian Exchange
Spanish colonial labor systems
Cultural interactions
Timeline
Primary sources
Letter of Columbus to Luis de Santangel (1493)
Bartolome de las Casas, A Short Account of the Destruction of the Indies (1552)
The Requerimiento (1513)
Key figures
Key events summary
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Vocabulary
Unit 1 topics
Unit 1 overview1.1Contextualizing Period 11.2Native American Societies Before European Contact1.3European Exploration in the Americas1.4Columbian Exchange, Spanish Exploration, and Conquest1.5Labor, Slavery, and Caste in the Spanish Colonial System1.6Cultural Interactions Between Europeans, Native Americans, and Africans1.7Causation in Period 1