Answer:
to build a wall,Dorians became a serious threat so wall built to protect water spring to insure supply of water in a siege.
Answer:
Egypt developed around the Nile River, while Mesopotamia developed between the Tigris and Euphrates rivers. With government both Egypt and Mesopotamia had a one main ruler, but Egypt had a centralized government with a pharaoh, while Mesopotamia had a government with a king. Farming surpluses lead to both civilizations becoming rich in artisans and traders. Both economies grew as a result. Both had major rivers and with leaders.
Explanation:
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