Known world at the time of Columbus

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Across
  1. 5. the world was split in half by the treaty of...
  2. 6. the age of exploration is also known as...
  3. 8. The madeira Island discovered by the...
  4. 9. Methods of naigation and mapping improved thanks to prince...
Down
  1. 1. The spice and silk trade were blocked by the...
  2. 2. attemted to circumnavigate the globe.
  3. 3. The traders traded with gold and...
  4. 4. The age of exploration began in the...
  5. 7. The ship were hard to get becauase of lack of...