Mesopotamia Economics

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Across
  1. 4. Main source of food supported by the fertile land
  2. 6. Land that is suitable for farming
  3. 7. Exchange of goods and services
Down
  1. 1. A technique used to control water supply
  2. 2. More than enough
  3. 3. Earliest form of trade
  4. 5. Streams of water used for trade routes