Mesopotamia projects for economics

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Across
  1. 3. when trading they targeted these and paid a hefty price for them
  2. 6. Since resources were scarce the Mesopotamian relied on this to gain resources
Down
  1. 1. these were funded by the leaders of the city states
  2. 2. these helped the crops grow during the high tide
  3. 4. this was necessary for farming a a valuable trade asset
  4. 5. these were the main resource used for trading