Portugal established an early dominance in exploration under Prince Henry the Navigator, with explorers like Bartholomew Diaz and Vasco de Gama expanding Portugal's reach down the African coast and to India, making Portugal the most powerful European nation for a time. Christopher Columbus, sailing for Spain, was the first European to reach the Americas in 1492, landing in the Caribbean and establishing Spanish colonies, though he later died in poverty. Spain and Portugal raced to claim territory in the new world, leading the Pope to intervene and divide control between them with the Treaty of Tordesillas. Conquistadors like Hernan Cortez and Francisco Pizzaro then conquered the Aztec and Inca empires, bringing vast wealth back