These wars between the Native Americans and the US army are due to the land and the natural resources in the territories. The major conflicts include the Indian removal act of 1830 which is proposed remove the tribe from their lands in southeast and then there is Second Seminole War resulted due to refusal of Native Americans to leave the land. Then there is Indian Appropriations Act of 1851 to keep the natives away from their lands and then the ultimate battle called as The Battle of the Little Bighorn which is specifically with Sioux tribe, this battle is a series of conflicts known as Sioux wars.