review crossword

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Across
  1. 2. code created by emperor justinian 1
  2. 4. trade bewtween U.S, England, Africa
  3. 5. time of rebirth
  4. 7. traveled past the southern tip of africa
  5. 8. who created the printing press
  6. 9. the Russain ceaser
Down
  1. 1. the sun is at the center of the universe
  2. 3. who created the 3 laws of motion
  3. 6. the earth is at the center of the universe