USA HISTORY

Detailed explanation-1: -Columbus made his transatlantic voyages under the sponsorship of Ferdinand II and Isabella I, the Catholic Monarchs of Aragon, Castile, and Leon in Spain.

Detailed explanation-2: -When Columbus arrived back in Spain on March 15, 1493, he immediately wrote a letter announcing his discoveries to King Ferdinand and Queen Isabella, who had helped finance his trip.

Detailed explanation-3: -Columbus promised his benefactors, King Ferdinand and Queen Isabella of Spain, to bring back gold, spices, and silks from the Far East, to spread Christianity, and to lead an expedition to China.

Detailed explanation-4: -In terms of accomplishments, Isabella I unified Spain through her marriage to Ferdinand II of Aragon, and she financed the expedition of Christopher Columbus, leading to the discovery of the Americas.

Detailed explanation-5: -In the April 1492 “Capitulations of Santa Fe", King Ferdinand and Queen Isabella promised Columbus that if he succeeded he would be given the rank of Admiral of the Ocean Sea and appointed Viceroy and Governor of all the new lands he might claim for Spain.