Inca Emperor Atahualpa tried to secure his release from Spanish captivity by offering gold. Emperor chooses gold because Spaniards were most interested in obtaining gold and silver to gain wealth for their Spanish Empire in their homeland. To conquer the Inca Empire Spanish explorer Francisco Pizarro in 1532 persuade Atahualpa to a feast with his men and is eventually killed later converting him into Christianity.
A range of cultural, religious, and racial ideologies were used to justify imperialism, including Social Darwinism, nationalism, the concept of the civilizing mission, and the desire to religiously convert indigenous populations.