horseback, reached Mexico City 1536
• Paleo-Indians: first Americans, nomadic hunters and gatherers, spread throughout North and South America moving as bands, hunted animals, cultivated food crops new agricultural techniques; 12,000-10,000 BCE; migrated from Asia to North America across Beringia land bridge
• Mayas: settled on the Yucatan Peninsula, built urban centers with pyramids and temples, studied astronomy, created elaborate writing system, city-states engaged in constant warfare, collapse by…
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