The Twenty-fifth Dynasty of Egypt also known as the Nubian Dynastyor the Kushite Empire
The Nubians were not as dependant on the flooding of the Nile, so they had no need to trade by water.
3,800 bc onward
Nubia fell by the same problems of Egypt, their Nile had dried and they started dying made by Karim
There are several different landforms in Nubia.Such as the Nile,Mouselein,and the Meroe pyramids