crossword puzzle

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Across
  1. 4. western united states
  2. 5. civil war battle of the nueces
  3. 6. Expansion grasshopper hill
  4. 7. north america
  5. 12. by the gulf of mexico
  6. 16. battle in 1847
  7. 18. 19th century expansion
  8. 19. giving up rights
  9. 20. agreement between two countries
  10. 21. president
  11. 22. separating two political areas
  12. 23. act of obtaining to have something
Down
  1. 1. possession taken of piece of land or country
  2. 2. agreement between Mexico and united states
  3. 3. revolt represents the independence in California
  4. 8. invading in a country
  5. 9. was a hero in the Mexican american war
  6. 10. mexican us border
  7. 11. Mexican American war 1846 - 1848
  8. 13. southern western us
  9. 14. transfer ownership of real estate
  10. 15. united states army hero
  11. 17. fought against spain