African Civilizations Crossword Puzzle

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Across
  1. 3. Christian and Muslim rulers valued this
  2. 6. was mined in the Sahara
  3. 7. one of the early civilizations in Africa
  4. 8. salt was used to do this for food
  5. 9. most of Africa lies there
  6. 11. early African boats
  7. 12. grow grains such as millet and sorghum
  8. 17. maybe the richest man who ever lived, ruler of Mali
  9. 18. Sundiata Keita was known as this
  10. 19. makes up about 10% of Africa
Down
  1. 1. raise cattle and other animals
  2. 2. Berbers used these to carry goods across the Sahara
  3. 4. makes up about 40% of Africa
  4. 5. desert that isolated North Africa from the south
  5. 8. area of high and mostly flat land
  6. 10. worlds second largest continent
  7. 13. introduced the central Asian camel to Africa
  8. 14. first great trading empire in West Africa
  9. 15. one of the large rivers in Africa
  10. 16. storytellers