Answer:
Hunting and gathering.
Explanation:
The first people who lived in North America are called Paleo Indians. These people arrive from Siberia by crossing the Bering Land Bridge. They hunted mammoths, camels, and bison for food and survival in the wild environment. The hunting done by spears with sharp points made of stone. They also collected or gathered wild plants, roots, berries, nuts for food. Clovis, Folsom, and Plano are three different Paleo-Indian cultures. Clovis found in the location of Dent, Colorado. Folsom culture points in New Mexico and Colorado. Plano culture also found in Colorado. Each of the cultures differentiated through their spear point.
