Answer:
Circumnavigation of the world. In 1577 he was chosen as the leader of an expedition intended to pass around South America through the Strait of Magellan and to explore the coast that lay beyond. The expedition was backed by the queen herself. Nothing could have suited Drake better.Also, the voyages of Sir Francis Drake changed the world in two ways. The first way was when Drake raided the Spaniards and killed many of them. That was the reason for the Spanish war.