The land of the Blacks, the Sudan, is a vast and fertile region, watered by the Nile and its tributaries. It is inhabited by a number of tribes, each with its own customs and traditions. The most important of these tribes are the Shilluk, the Dinka, and the Nuer. The Shilluk are a warlike people, who are said to be descended from a great warrior king. They are a tall, well-built people, and their skin is dark. They are skilled hunters and warriors, and they are also known for their cattle. The Dinka are a pastoral people, who are said to be the tallest people in the world. They are a gentle and peaceful people, and they are known for their cattle. The Nuer are a warlike people, who are said to be descended from a great warrior king. They are a tall, well-built people, and their skin is dark. They are skilled hunters and warriors, and they are also known for their cattle.