Why do some Africans think they need Ethiopia to be proud?

Africa has had many civilizations like Kush which is Located in today's southern Egypt and northern Sudan was most probably the oldest cultural complex in Africa. The Kushites say that the Egyptians are settlers from among themselves and that Osiris was the leader of the settlement. The customs of the Egyptians, they say, are for the most part Kushites, the settlers having preserved their old traditions. For to consider the kings gods, to pay great attention to funeral rites, and many other things, are Kushite practices, and also the style of their statues and the form of their writing are Kushitic. Also the way the priestly colleges are organized is said to be the same in both nations. Kush was Africa's greatest civilization with over 270 pyramids hundreds of beutiful temples and obelisks and this was created Sudanese. when you hear Aethiopia in greek litrature they are referring to glorious Kush modern sudan.