Mesopotamia

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Across
  1. 3. world's first system of writing
  2. 4. supplying water to an area of land
  3. 5. worship of many gods
  4. 9. land with different territories and peoples under a single rule
  5. 10. wheeled horse-drawn cart used in battle
Down
  1. 1. effect or result
  2. 2. science of building
  3. 6. ruler of a kingdom or empire
  4. 7. part or function
  5. 8. Human-made waterways