Bartolomé de las Casas was a 16th-century Spanish colonist who acted as a historian and social reformer before becoming a Dominican friar. He was appointed . Bartolomé de Las Casas: Bartolome de Las Casas, Spanish historian and Dominican missionary who spoke out against oppression of indigenous peoples by . The role of Bartolomé de Las Casas in the history of the United States of America. Bartolomé de las Casas, sickened by the exploitation and physical degradation of the indigenous peoples in the Spanish colonies of the Caribbean, gave up his . Be transported to Old Manila's glory days the moment you set foot at Las Casas Filipinas de Acuzar: an unparalleled resort in Bagac, Bataan. Bartolome de Las Casas (1484-1566) was a Spanish Dominican friar who became famous for his defense of the rights of the native people of the Americas. 2008. 4. 3. - Bartolomé de Las Casas, O.P. (1484 – July 17, 1566) was a sixteenth century Spanish priest and the first resident Bishop of Chiapas. Bartolomé de Las Casas, a Spanish Dominican priest, wrote directly to the King of . Las Casas's writings quickly spread around Europe and were used as . What arguments did Bartolome de Las Casas make in favor of more humane treatment of Native Americans as he exposed the atrocities of the Spanish .