sentences:  As a result, he was led to translate the "Apologia" of the Spanish Dominican friar and bishop, Bartolomé de las Casas, who was a major defender of Native American rights in the new colonies of the Spanish Empire.This was a Latin work of the speeches Las Casas delivered at the Valladolid debate of 1550-1551.This was published in 1974 by Northern Illinois University Press; a second edition appeared in 1992 and is still in print.