mesopotamia cw puzzle

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Across
  1. 2. a person who copies out documents, especially one employed to do this before printing was invented.
  2. 4. the belief in or worship of more than one god
  3. 6. a stepped tower used for warship
  4. 8. long poem, narrating the deeds and adventures of heroic people
  5. 9. a city that with its surrounding territory forms an independent state.
Down
  1. 1. extra of something
  2. 3. sumerian writing
  3. 5. fine sand, clay, or other material
  4. 7. the supply of water to land or crops to help growth