Across
- 4. an estate of land and the inhabiting American Indians formerly granted to spanish colonists or adventurers in America for purpose of tribute and to evangelize.
- 5. the science of making maps.
- 7. device with a magnetized piece of metal that points to the North, used for navigation.
- 8. Exchange of plants, animals and diseases between Americans, Europe, and Africa.
- 9. natural abillity to resist infection
- 10. a small, light ship developed by the Portuguese that performed well on a long voyage.
Down
- 1. sail entirely around, the globe.
- 2. process of establishing control over a group of people in another area.
- 3. determines a ship's latitude by measuring the height and varying positions of the sun, moon,and star.
- 6. economic policy where countries strengthen their nation through trade