Football and society

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Across
  1. 3. group of fans
  2. 6. origins
  3. 8. give loud encouragement
  4. 10. insulting
  5. 13. Discriminated against
  6. 14. fight
  7. 16. rival
  8. 17. rules
  9. 18. amusement
  10. 19. Field
Down
  1. 1. card. Shown when player is sent off
  2. 2. joke
  3. 4. change
  4. 5. handicap
  5. 7. Earn points
  6. 9. Violent fans
  7. 11. Man or woman who makes rules respected
  8. 12. fans
  9. 15. sing