Question

Which european leaders most encouraged exploration of the world

Answer 1

The king of Spain, Phillip II encouraged the exploration and conquest of Mexico, Central and South America, in the early 16th century and in the same century, John III of Portugal did the same for Brazil and in Italy, Charles V also promoted world explorations around the time  that of Christopher Columbus made his four voyages. 

Answer 2

Two prominent European leaders were the Spanish royals Ferdinand and Isabela, who funded Christopher Columbus’ voyage.