网页1 天前 — Africa is a continent, not a country, with diverse geography, culture, and history. Learn about its physical features, regions, countries, islands, and more from Britannica.
网页1 天前 — Learn about the origins, struggles, and achievements of African Americans, one of the largest ethnic groups in the United States. Explore their contributions to American history and culture, from slavery to civil rights, from literature to music, from politics to sports.