First Indians to enter the Americas. Lived here during the Ice Age. Came to the Americas through the Beringia bridge. They made an efficient spear throwing device called an atlatl.
Archaic
Early Archaic people were hunters and gatherers who lived in small groups or "bands'. Some of the Archaic's food were available only in certain times of the year, so they had to move a lot were they could get food.
Woodland
These indians were very advanced. They made fences around their villages, to protect themselves. They also made pits filled with snakes or any other vicious animal they could find.
Mississippian
Mississippian people were horticulturalists. They grew a most of their food and ate little meat. Therefore they were no longer nomadic. They also had a lot of contact with Europeans coming in. But many believe because of these Europeans most of the Mississippians died.