The various parts of the Nile get their names due to the presence of particular characteristics of that region. For example, The White Nile and blue Nile are the rivers located in Africa which are the two main tributaries of the Nile. The name given to these two nil rivers are due to coloring of water due to clay carried by the water s we ca say that various parts of Nile get their names due to specific features.
Pros were that they were able to work in the military and serve their country cons were that they were still segregated and after the war their treatment did not differ much from before