The New Kingdom (1539–1075 B.C.E.) was the period of Egypt's greatest geographical extent. At the end of the Middle Kingdom (about 1630 B.C.E.), a Semitic-speaking ethnic group ruled the eastern delta, closest to the Sinai Desert and the northern portion of Egypt. Whether a conquest or gradual infiltration of peoples, this group called the Hyksos (from the Egyptian term heka-hasut, meaning "rulers of foreign countries") ruled the northern portion of the country. The New Kingdom commenced when a series of princes who ruled in Thebes in Upper (southern) Egypt drove the Hyksos out of Egyptian territory......