Vob

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Across
  1. 6. rode horses on chariots
  2. 7. they developed the first number system
  3. 9. Ziggurats mud bricks
Down
  1. 1. between the Tigris and euphrates
  2. 2. culture and agricultrue
  3. 3. irrigation of farms
  4. 4. hdncjfjd
  5. 5. trained in writing cuieform
  6. 8. ofbuff