Answer:
Henry the Navigator, a 15th century Portuguese prince, helped usher the Age of Discovery and the Atlantic slave trade. Henry himself wasn't a sailor or navigator but he did sponsor many exploratory sea voyages. He was born in Porto, Portugal in 1394. Although he was neither a sailor nor a navigator, he sponsored a great deal of exploration along the west coast of Africa.Henry became fascinated with Africa, A continent which the Portuguese knew little about. He developed a desire to learn about The Muslims who lived there so he could conquer them and spread Christianity.
It proved that the world was round to all the people who didn't believe so then.