The provided text offers a comprehensive overview of pre-Columbian Americas, exploring the peopling of the continents, the rise of major civilizations, and the complexities of their societies. It discusses the revised understanding of the Beringian migration and the ascendant coastal route hypothesis, challenging older assumptions. The sources then detail the Mesoamerican civilizations like the Olmec, Maya, Zapotec, and Aztec, highlighting their shared cultural foundations and unique achievements. Subsequently, the text examines Andean empires such as the Chavín, Moche, Nazca, and the highly centralized Inca, emphasizing their adaptations to a vertical environment. Finally, it addresses complex societies in North America, including the Ancestral Puebloans, Mississippian mound-builders, and the Haudenosaunee, concluding with a hemispheric perspective on population, trade networks, and diverse political structures that dismantle colonial-era myths about the Americas.

Research done with the help of artificial intelligence, and presented by two AI-generated hosts.