Cochise tried his best to work with the government, but was lied to and double-crossed each time an agreement was made. When a young army officer captured Cochise's family in what was suppose to be a treaty arrangement, it sent Cochise into a rampage.
The way the American government and white people in general treated the Native Americans was terrible. While this is acknowledge the full extent of what was done and the lies and betrayals are glossed over.