North America Prehistory Summary & Timeline
Maize was domesticated during the Archaic period, before 4300 BC, but it took a long time to trigger changes commonly associated with agriculture: sedentism and pottery. The First Agricultural Communities Use of pottery marks the beginning of the Preclassic at 2500 BC. A later, but important, Preclassic innovation was the prismatic obsidian blade beginning c. […]
