Slavery and Human ProgressPulitzer Prize winner David Brion Davis here provides a penetrating survey of slavery and emancipation throughout world history from ancient times to the 20th century. He demonstrates that slavery, once regarded as a form of human progress, played a crucial part in the expansion of the Western world, and that not until the 18th and 19th centuries did views of slavery as a retrograde institution gain far reaching acceptance. Illuminating this momentous