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Pre-Columbian Americas Overview

Aug 28, 2025

Overview

This lecture covers the state of the Americas before Columbus's arrival in 1492, challenging common misconceptions about Native American societies and their environments.

Pre-Columbian Population & Societies

  • Native American populations in 1491 were much larger and more complex than previously believed.
  • Many societies built large cities, such as the Aztec capital Tenochtitlán, rivaling European cities of the time.
  • Mesoamerican civilizations developed advanced agriculture, calendars, and writing systems.

Environmental Impact

  • Native Americans managed landscapes actively using techniques like burning, irrigation, and terracing.
  • The Amazon rainforest contained evidence of ancient, human-modified soils known as “terra preta.”
  • Much of what Europeans saw as untouched wilderness was actually shaped by centuries of indigenous activity.

European Misconceptions & Aftermath

  • Early European settlers underestimated Native populations due to disease-induced declines before large-scale contact.
  • Infectious diseases like smallpox decimated indigenous peoples, leading to dramatic population loss.
  • The myth of an empty, “pristine” New World persisted due to these rapid post-contact changes.

Re-evaluating History

  • Modern archaeology and science are revising earlier views, emphasizing the complexity and impact of Native societies.
  • Historians now recognize pre-Columbian America as urbanized and ecologically sophisticated, not sparsely inhabited.

Key Terms & Definitions

  • Pre-Columbian — referring to the Americas before Columbus’s arrival in 1492.
  • Tenochtitlán — capital city of the Aztecs, located in present-day Mexico City.
  • Terra preta — fertile, human-created soil found in the Amazon, showing intensive agriculture.
  • Mesoamerica — region including central and southern Mexico and Central America, home to advanced pre-Columbian civilizations.

Action Items / Next Steps

  • Read the full article “1491” for additional examples and case studies.
  • Prepare notes on how European contact changed indigenous populations and environments for next class.