The correct answer to this open question is the following.
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The Nubian people came from the African savannas south of the Sahara Desert.
The Kingdom of Nubia was large. It extended up to ancient Egypt for a while. Indeed, according to history, Nubia ruled Egypt for approximately 100 years.
Nubia became very rich due to the exploitation of mane raw materials and natural resources such as gold. They had gold mines that traded with other regions. They also traded ivory, salt, and incense. Later, they traded a lot of goods with the Egyptians.
Around 5,000 BC, the Nubian people started to move up north to the Nile to get the many benefits of living close to the Nile River.
