I agree w the previous comment
Mansa Mūsā left a realm notable for its extent and riches—he built the Great Mosque at Timbuktu—but he is best remembered in the Middle East and Europe for the splendour of his pilgrimage to Mecca (1324).
Answer:
Cultural Structure.
Explanation:
The Five Civilized Tribes refers to the five Native American nations—the Cherokee, Choctaw, Chickasaw, Creek (Muscogee), and Seminole. These were the first tribes that were considered to be "civilized" by the European settlers. The tribes each adopted Christianity, literacy, intermarriage (with white Americans), centralized governments, plantation slavery practices, etc.