When The natives refused to sign the treaties, things got a little crazy.
The Native Americans started to fight back and that led to war. There were massacres, many Native Americans were killed.
Europeans wanted land so much they pushed Native Americans off their land, Europeans had to kill some Natives, and that led to many rivalries.
There were may conflicts between the Natives and the Europeans. So, they had to make some deals. Such as the treaties.
In 1838 and 1839, part of Andrew Jackson's Indian removal policy, the Cherokee nation was forced to give up its lands to migrate to an area in present-day Oklahoma. The Cherokee people called this the "Trail of Tears," because of its effects.
There were many rivalries over land and resources were very competitive. Land was very important to the colonists because it held power. At one point some Natives went to the British because of the colonists. The Europeans caused most of the rivalries and which led to conflicts