history crossword

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Across
  1. 4. A country near Spain starting with P.
  2. 6. Tall grass yielding kernels.
  3. 7. Tamed for human use.
  4. 11. Individuals discovering new lands.
  5. 14. Domesticated mammals for transportation and work.
  6. 17. Exchange of goods or services.
  7. 19. Precious metal used as currency.
  8. 20. Act of traveling for new information.
Down
  1. 1. Traveling on water using sails.
  2. 2. Infectious disease causing fever and red rash; preventable through vaccination.
  3. 3. Plural form of "Native".
  4. 5. Italian explorer, opened the way for European exploration in the Americas.
  5. 8. Sweet substance from sugarcane or beets.
  6. 9. Beliefs and practices related to Jesus Christ.
  7. 10. Starchy plant tuber.
  8. 12. Tropical fruit with spiky exterior.
  9. 13. Southwest European country.
  10. 15. Another word for corn
  11. 16. Highly contagious, deadly disease; eradicated through vaccination.
  12. 18. A continent located in the Northern Hemisphere