Independence Day - 4th of July!!!

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Across
  1. 3. a fun meal enjoyed outdoors
  2. 4. making an event or occasion special
  3. 6. a banner that symbolizes a country
  4. 7. a group of people and/or vehicles moving in a line
  5. 9. cooking food outside on a grill
  6. 10. the supreme law of the land
Down
  1. 1. not needing authority or outside control
  2. 2. things that make a place beautiful
  3. 5. beautiful explosives in the sky
  4. 8. a musical performance