Who at the end of 1492 led the Spanish ships to unknown lands?

In the Middle Ages, all civilization was concentrated in Eurasia and Africa, these continents were later called the Old World. European merchants were looking for new lands for the development of trade. As part of his four expeditions (conducted from 1492 to 1504), Christopher Columbus discovered new lands, which were later called America. The first expedition began on 03.08.1492 from the city of Palos de la Frontera. By the end of this year, Columbus’s team explored the shores of Cuba and Haiti. As a result of the discovery of the New World, Europe saw new animals and plants for the first time.