Native Americans was Indians. They had many tribes. In the territory of USA lived also Eskimos, Aleutians, Hawaiians. They lived in high-rise buildings constructed of adobe brick. People grew maize, pumpkin, pulse. They had neighbors apaches, who lived small groups. In the east lived Iroquois. They lived in the woods and hunted on fishes. Indians loved nature and their territory. So, when European settlers wanted to grab this territory, Indians didn't want that.