Chapter 1 Crossword Puzzle

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Across
  1. 3. when humans learned to plant crops
  2. 4. one of the sources of African wealth (Not valuable)
  3. 6. First civilization in North America
  4. 9. Created irrigation canals in the SW US
  5. 11. one of the main reasons for the decline of Africa
  6. 12. Land bridge that connected Asia to North America
  7. 13. the journey of slaves across the Atlantic
  8. 14. First civilization to use gold and copper jewelry
  9. 16. Created adobe structures and lived in cliffs
Down
  1. 1. first European Country to purchase slaves
  2. 2. Person who moves from place to place
  3. 5. Were very imperialistic and practiced sacrifices
  4. 7. Built mounds
  5. 8. Process to determine the age of an object
  6. 10. wealthiest man in history
  7. 15. Created a calendar and were talented mathematicians