What was the city-state? This is the form of government that was unique to the Sumerian culture.
What was the the Upper class ( nobles, royal family, and priests and government officials), artisans and merchants and lower class, (peasants, slaves).? These are the three classes of the society of ancient Sumer.
What were Ur, Erech, and Kish? These were the three ancient city-states of Sumer
What was the story of Gligamesh This Sumerian tale pre-dated the story of Noah.
What were ziggurats? They were the ancient Sumerian temples.
Who was Sargon of Akkad? He was the King that united the Kingdoms of Sumer and Akkad.
What was Semitic ( related to modern Hebrew and Arabic) ? This was language family spoken by both the Babylonians and the Akkadians.
Who was Hammurabi? He was the great ruler of the Babylonian kingdom.
What was sell his wife and children? This was what a Babylonian man might do in order to pay his debts.