Trade

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Across
  1. 5. Available source of wealth
  2. 6. To guard from foreign competition by imposing import duties
  3. 9. To prevent from doing, acting or happening
  4. 11. A life-giving, vital, or animating
Down
  1. 1. Goods carried by a large vehicle
  2. 2. Any natural bar or obstacle
  3. 3. To derive profit, make improvement
  4. 4. Any duty, rate of duty in such a list or schedule
  5. 7. Being essentially equal to something
  6. 8. Of higher price or great vaue
  7. 10. Government income due to taxation