Pope Francis expressed contrition to the indigenous people of the Americas while in Bolivia, a stop on his three-state South American tour.
Source: Pope Francis To Native People: Sorry How The Church Treated You During Conquest Of The Americas
This article refers to atrocities committed by Conquistadors in the fifteenth century when they colonized the Americas and the sixteenth century when native people were enslaved. One should remember that the conquerors acted with mixed motives, where state, individual, and church interests became hopelessly confused with the result that acts committed in the name of the Church were sinfully abusive. Lord, have mercy.