Final answer:
After the Civil War, Chickasaw rewrote laws, Choctaw provided financial aid for schooling, and Seminole formed a national council.
Step-by-step explanation:
After the Civil War, the Native American tribes of Chickasaw, Choctaw, and Seminole took different actions:
- Chickasaw: Rewrote laws to protect property and promote trade.
- Choctaw: Provided financial aid to parents for schooling their children.
- Seminole: Formed a national council.