These actions are crimes commited to God and as the the divinely chosen ruler of Spain Castile has an obligation to right these crimes, a crime committed against God is a crime committed against the crown.
Las Casa gives conversion the ability to save someone's soul from damnation. While the friar were in the kingdom of Yucatan they were able to influence the people of Yucatan to convert into Christianity. The local chief brought their idols they formerly worshiped to be burned so they may fully commit to the Christian faith. The nobles “voluntarily subjected themselves.. to the Spanish Crown” they even “acknowledged the Emperor as their supreme lord” the King of Spain (pg 76). The natives after facing misconduct from the Spaniards hand still chose to become a Christian and give allegion to the crown. Yet, the Spaniards came and forced natives to buy idols from them at the price of one slave. The Spaniards are in no shape or form helping to spread the faith. On the contrary they are trying to make a profit by any means method. By doing so they have endangered millions of souls to the depth of hell. They are forcefully making the natives to