Francisco Pizarro, another conquistador marched a force into South America and conquered the incan empire (Spanish conquest in Peru.)- is the significance.
Pizzarro and his army met the Incan ruler Atahualpa near the city of Cajamarca. When Atahualpa went to go meet the Spainards he brought thrity thousand unarmed men. The Spainards waited paitiently
Cortes was not satisfied with the amount of goods he had, so in the late spring of 1520, some of his men killed many Aztecs warriors and Chiefs when the Aztecs were celebrating a religious festival. In June of 1520, the Aztecs rebelled and drove out with Cortes's forces.
Landed on the shores of Mexico, After colonizing several caribbean islands they marched into the American main land, looking for new lands for Spain. Cortez and the other Spanish explorers were known as the conquistadors.
Christopher Columbus made his voyage to Spain, instead of sailing south around Africa and than east, he just sailed west across the Alantic. He sailed with three ships, Nina, Pinta, and Santa Maria. Christopher inspired other people to explore, and that anything would be possible.