In paragraph 2, why does the author mention the colonization of Nubia by the Egyptians? A. To prove that colonization was first carried out by the military B. To indicate that Egypt was a major military power in the third and second millennia B. C. C. To illustrate how large the geographic area of colonization had become over several millennia D. To show that the purpose of colonization during the third and second millennia B. C. differed from that of the last millennium B. C.