The correct answer is alternative D) "They wrote their own constitution so they could remain in Georgia."
The Cherokee was a Native American Tribe, that had to move away from their territory due to the Indian Removal Act.
The Cherokee resisted it, and in 1827 they adopted their own constitution, in an attempt to retain their territory and stay in Georgia.
For this reason, the correct answer is alternative D) "They wrote their own constitution so they could remain in Georgia."