Answer: The Tigris River and the Euphrates River
The answer is actually A. you see in southwest asia there are many many religions, which is why it is called the cradle of religion. so it would makes sense becuase there would be more and more holy sites if there are many many religions. Hope this helps :)
Answer:
They built walls around their cities for protection
Explanation:
Sargon the Great
Around 2,300 BC, the independent city-states of Sumer were conquered by a man called Sargon the Great of Akkad, who had once ruled the city-state of Kish. Sargon was an Akkadian, a Semitic group of desert nomads who eventually settled in Mesopotamia just north of Sumer.