WORLD CIVILIZATION

Detailed explanation-1: -Mentuhotep II, the 21st century BC founder of the Middle Kingdom, is recorded to have undertaken campaigns against Kush in the 29th and 31st years of his reign.

Detailed explanation-2: -Egyptians saw the Asiatics and the Nubians as the two opposite poles of a hostile world outside the Nile valley. In fact, they sometimes simply referred to these enemies as the North and the South. Actually, just about everyone outside the Nile Valley was considered enemies of Egypt, for those were the lands of chaos.

Detailed explanation-3: -Although Egypt and Nubia were trade partners and Nubians served in the Egyptian army, the two lands were also adversaries, and Egyptian ideology made Nubia one of its traditional enemies.