Ancient Natives from North America
Lived in the Mississippi valley in 800 AD. Had plants that was used on food and when added maize and beans had a increase in population. Increasing of population lead to the need for more land, so their were a lot of cities up to 10,000 people. In the center of Cahokia was a massive mound to up to 100 ft. high and a base of 14 acres. Surrounding the giant mound were smaller mounds.