Edward puzzle

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Across
  1. 5. the act of doing something
  2. 7. a prime minister
  3. 8. childish
  4. 10. inheriting
  5. 13. the assembly that makes a country's laws
  6. 15. a group of people chosen or elected to organise or discuss something
  7. 16. a lung disease
  8. 17. the group of a country
  9. 20. the chief magistrate of a city
Down
  1. 1. happening before
  2. 2. one of a kind
  3. 3. to make laws
  4. 4. not lasting forever
  5. 6. an attack
  6. 9. the act of dying
  7. 11. surroundings
  8. 12. a regular meeting
  9. 14. a person in charge of a government department
  10. 18. a cause
  11. 19. religious song