Because of Nubia’s location between Egypt and Central Africa, it was a center for trade. Option B is correct.
Nubia is a region along the Nile river which strech in the area between Aswan in southern Egypt and Khartoum in central Sudan.
It was the seat of one of the earliest civilizations of ancient Africa, with a history that may be traced from at least 2500 BC onward with the Kerma culture.
