The crossword

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Across
  1. 3. body of law, structure or organisation
  2. 5. feeling or showing worry
  3. 7. a plot of rented by individuals for agriculture
  4. 8. using both left and right hand simultaneously
  5. 10. a group of questions or survey
  6. 12. polite
  7. 14. very large in size
  8. 15. activity of buying and selling on a large scale
  9. 17. opposite to each other with the same distance between them
  10. 18. playful and friendly exchange of teasing remarks
  11. 19. state of chaos
  12. 20. no longer produced
Down
  1. 1. not operating properly
  2. 2. necessary or absolutely essential
  3. 4. controlling or compulsive
  4. 6. a form of government with the monarch at the head
  5. 9. Not true/false
  6. 11. Preventing success or development
  7. 13. a section of population with similarities
  8. 16. suddenly falling down