From the dawn of the Roman Empire, slavery played a major and essential role in Roman society. While slavery never completely disappeared from ancient Roman society, its position in the Roman economy shifted at the beginning of the period called Late Antiquity (14 CE–500 CE). At this time, the slave system of the Roman world adjusted to a new category of labor. Overall, the numbers of slaves declined, an event that historian Ramsey MacMullen, drawing from legal debates and legislation of the period, attributes to the accumulation of debt and poverty among Roman citizens in the third century CE. One effect of this debt accumulation was that many free individuals sold themselves into an indentured state, particularly during the years 225–325 ...