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For thousands of years Indigenous people have caused significant changes to the natural environment through resource harvesting, farming, urban development, irrigation, controlled burning and deforestation.
Indigenous creation stories are explored, as well as key discoveries by archaeologists, anthropologists, geneticists and linguists on how and when Indigenous people first arrived in the Western Hemisphere.
The Neolithic era began more than 10,000 years ago in Mesoamerica with the cultivation of maize. Crops like sweet potatoes, beans and cacao were cultivated and spread throughout the Americas through trade networks.