Why did European leaders start sending out explorers?

European leaders began sending out explorers in the late 15th century primarily to find new trade routes to Asia, particularly for valuable spices and silks. The desire for wealth and the competition among nations drove this exploration, as they sought to expand their empires and enhance their economic power. Additionally, advancements in navigation technology and a growing curiOSity about the world fueled exploration efforts. This period marked the beginning of significant global interactions and the eventual establishment of colonial empires.