Which of the following explains the increase in the import of slaves in virginia?
a. the demand for tobacco in europe
b. the demand for more subsistence crops
c. the demand for shipbuilding trade
d. the demand for more fish in the colonies

1. discovered the new world balboa 2. explored the north american southwest hudson 3. his crew was the first to sail around the world vespucci 4. conquered the incas of peru cortes 5. discovered the pacific ocean columbus 6. conquered the aztecs of mexico cabot 7. discovered fishing grounds off newfoundland pizarro 8. looted spanish vessels for england drake 9. claimed the hudson river area for dutch coronado 10. priest who explored the mississippi marquette 11. man for whom the new world is named magellan