Answer:
Nubia.
Step-by-step explanation:
The major civilizations that emerged from the numerous river valleys are one of the earliest forms of civilization known to the world. Among these, the Nile river also gave rise to one prominent civilization which is the Nubian civilization founded around 2500 BCE.
This place in Northern Africa brought forth the Nubian civilization which is one of the most prominent links for the trade along the Nile river. It also connects the trade between Egypt and the Middle Eastern civilizations. Being one of the earliest civilizations to be found in the ancient North-Eastern African region, it plays a huge role in the development and trading system of the region and its surrounding areas.