land
Explanation:
Nubia, which has developed along the Nile river, in the southern part of Egypt.
Being very rich, especially with mines and gold it was a rival to Egypt, who wanted to control the land along the Nile river.
Nubia was conquered during the reign of Amenhotep I, and since then a new function of Pharaoh under the name of King Kush's son has emerged. During the eighteenth dynasty, Nubia was annexed to Egypt, controlled until the fourth cataract, but the rebellion of the Nubians against Egyptian rule only in the middle of the nineteenth dynasty.