Mesopotamia Puzzle

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Across
  1. 3. The person at the top of the Social Classes
  2. 4. The people who had no power
  3. 5. Their system of writing
  4. 7. A system used to water crops
  5. 8. The river to the left of Mesopotamia
Down
  1. 1. The river to the right of Mesopotamia
  2. 2. People who took risks and traded goods to become wealthy
  3. 4. A city-state in Mesopotamia
  4. 6. Their place to worship a God