In Defense of the Indians: The Defense of the Most Reverend Lord, Don Fray Bartolome de Las Casas, of the Order of Preachers, Late Bishop of Chiapa, Against the Persecutors and Slanderes of the Peoples of the New World Discovered Across the Seas

Bartolomé de Las Casas championed the rights of the Indians of Mexico and Central America, disputing a widely held belief that they were "beasts" to be enslaved. In a dramatic debate in 1550 with Juan Ginés de Sepúlveda, Las Casas argued vehemently before a royal commission in Valladolid that the native inhabitants should be viewed as fellow human beings, artistically and mechanically adroit, and capable of learning when properly taught.

In Defense of the Indians, Las Casas's cla…