crossword puzzle about political unit

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Across
  1. 7. one political party
  2. 11. african union to create greater efficiency
  3. 12. no government
  4. 13. if government is overthrown by force
  5. 14. people who are members of a state
  6. 15. created in 1994 between US,Canada,and mexico
  7. 16. promote free trade in latin america
  8. 17. political extension of another state
  9. 19. a single person having unlimited power
Down
  1. 1. surrender power to a higher organization
  2. 2. few people have power
  3. 3. the government is elected by the people
  4. 4. people living in a defined space
  5. 5. the are which a state rules applies
  6. 6. government owns property like farms
  7. 8. king,queen,emperor, or empress
  8. 9. ability to rule a given territory
  9. 10. a single person
  10. 13. no monarch
  11. 18. state completely surrounded by another state