Maybe there were no cures, vaccines, or antibodies at the time. Medicine was never completely discovered for centuries to come, which is why the Black Plague occurred during the medieval/Middle Ages.
The catholic counter-reformation was the church's response to the events of the protestant reformation. Thousands of people flocked to new Protestantism, leaving the catholic church behind. The catholic church decided to try and reform the church from within. Hope this answer helps. (:
<span>Caravels do not have Sails, they move with the Ocean. Other Ships use Sails, a Sail is a Large Canvas Sheet that you attach to Two Poles on a
Boat, the Boat use the Sail to use the Wind to move in the Ocean.</span>
Spain. Spain controlled the slave trade and sold slaves back to the US