History of Western civilization Genovese born mariner, Christopher Columbus set out under the auspices of the Crown of Castile (Spain) to seek an oversea route to the East Indies via the Atlantic Ocean. Rather than Asia, Columbus landed in the Bahamas, in the Caribbean. Spanish colonization followed and Europe established Western Civilization in the Americas. The Portuguese explorer Vasco da Gama led the first sailing expedition directly from Europe to India in 1497-1499, by the Atlantic and Indian oceans, opening up the possibility of trade with the East other than via perilous overland routes like the Silk Road. Ferdinand Magellan, a Portuguese explorer working
Portuguese discoveries tip of Africa, disproving the view that had existed since Ptolemy that the Indian Ocean was separate from the Atlantic. Also at this time, Pêro da Covilhã reached India via Egypt and Yemen, and visited Madagascar. He recommended further exploration of the southern route. As the Portuguese explored the coastlines of Africa, they left behind a series of padrões, stone crosses inscribed with the Portuguese coat of arms marking their claims, and built forts and trading posts. From these bases, the Portuguese engaged profitably in the slave and gold trades. Portugal enjoyed a virtual monopoly of the Atlantic slave trade