Who made the greatest discovery, Christopher Columbus, Bartholomeu Dias, Vasco da Gama, or Ferdinand Magellan? Defend your decision.

Christopher Columbus' unsuccessful search for a western maritime route to India resulted in the "discovery" of the Americas in 1492, but it was Vasco da Gama who ultimately established the Carreira da India, or India Route, when he sailed around Africa and into the Indian Ocean, landing at Calicut (modern Kozhikode)

Answer choices for this question?

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.