Fireworks & Freight: A Puzzle of Independence

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Across
  1. 4. The act of passing through or across.
  2. 5. Authority that regulates goods entering a country.
  3. 8. A large ship or boat.
  4. 10. A day of Celebration
  5. 11. Company that transports goods.
  6. 12. A public procession celebrating an event.
  7. 13. Outdoor cooking event, often on July 4th.
  8. 14. A batch of goods sent together.
Down
  1. 1. A place to store goods.
  2. 2. Explosive displays for celebration.
  3. 3. Symbolic elements on the US flag.
  4. 5. A large box used to transport goods.
  5. 6. A tax on imports or exports.
  6. 7. A harbor where ships load or unload.
  7. 9. Lines on the US flag.