Final answer:
The four Native American groups in Alabama are the Creek, Choctaw, Chickasaw, and Seminole, with the Cherokee being the largest of the tribes.
Step-by-step explanation:
The four Native American groups in Alabama, known as part of the Five Civilized Tribes, include the Creek, Choctaw, Chickasaw, and Seminole peoples. These tribes had largely adopted Anglo-American culture such as speaking English and practicing Christianity. The largest of these tribes is the Cherokee, which along with the others were viewed as obstacles to White settlement during the era of the Indian Removal Act.