The polis emerged from dark ages which followed the fall of the mycenaean civilization in Greece and by the 8th century bce a significant process of urbanization had begun
The name of the large arc of farmland that includes Mesopotamia is the "Fertile Crescent," since this area was especially fertile and highly conducive to crop growth.
It <span>greatly damaged the ecology and agriculture of the American prairies which led to a severe drought. </span>
