1812 suggests a fourth way. It foreshadows the creation of an independent Cherokee-based nation. It leaves the actual development of this nation to a sequel, but it's pretty clear what will happen.
Here's Patrick Driscol, Sam Houston's military adviser, explaining the situation to the Cherokees' John Ross:
“And who knows?” Patrick added. “You may end up shaping your enemy, too. Create a nation powerful enough, in a place you can do so, and over time you’ll begin changing the nature of your neighbors.”
Below: Young John Ross.