This is all impossible. That renowned historian Al Sharpton has said that all the Europeans’ ancestors were living in caves at the time of ancient Egypt.
Aren’t the ancient Egyptians considered white?
yes, the Kushans/Nubians were Negroid (As opposed to the EGyptians who were afro-asiatics, related to the Semites and the BErbers), but no, not all AFrican nations were so civilized, neither were all Europeans etc.