First, they were constantly threatening the tribes. Based on Lewis' speech to the Otoe tribe, he did not respect the Native Americans at all. ... He also said that if the Natives disobeyed, they would “... consume you as the fire consumes the grass of the plains.” from -googl
Answer: By forming the The Iroquois Confederacy
Explanation:
In the 16th century, five Iroquois nations being the Onondaga, the Mohawk, the Oneida, the Seneca, and the Cayuga came together under the direction of the leaders Deganawida and Hiawatha.
These two leaders had seen that fighting would be the end of the Iroquois and so resolved to do something about it. They came up with the Great Laws which were both rules and guidelines for peaceful coexistence and founded a Grand Council with representatives from the five tribes.
This brought peace through compromise and communication and helped the Iroquois form a stronger nation that could protect their land and people.