Mali is a nation in west Africa. Mali's culture is well known for hospitality and music. Mali was previously the center of a powerful empire in it's past history. Which sentence best restates this information? A. Mali in West Africa is well known for its hospitality and being the center of a powerful historical empire. B. Once the center of a powerful empire, the West African nation of Mali is well known for its hospitality and music. C. Mali, a nation in west Africa, is well known for its hospitable culture, music, and the once-powerful empire of it's past. D. In west Africa, Mali is well known for its hospitality, music, and powerful former empire.