Barriers of the World

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Across
  1. 2. Sent to another country for sale
  2. 3. (Organization of Petroleum Exporting Countries sets prices of oil distributed around the world
  3. 4. Any restriction on trade
  4. 6. A limit on a particular item
Down
  1. 1. Bringing goods/ services into a country from a sale
  2. 2. The branch of knowledge concerned with production and consumption
  3. 4. Tax on imported/exported goods
  4. 5. An official ban on trade with another country