civil rights to former slaves. Apart from the moral issues, there has also been a good deal of debate on the economic efficiency of slavery as a system of production in the USA. It has been argued that plantation owners might have been better off employing labour, although the effect of emancipating vast numbers of slaves could, and did, have enormous political and social repercussions in the Reconstruction period following the Civil War.As a social and economic institution, slavery originated in the times when humans adopted sedentary farming methods of subsistence rather than more mobile forms of hunting and gathering. It was known in Shang-dynasty China (c. 1500c. 1066 BC) and ancient Egypt, and is recorded in the Babylonian code of Hammurabi (c. 1750 BC), the Sanskrit Laws of Manu (c. 600 BC), and the Bible. Slave labour became commonplace in ancient Greece and Rome, when it was used to cultivate large estates and to meet the demand for personal servants in the towns. Slaves were created through the capture of enemies, through birth to slave parents, through sale into slavery by free parents, and as a means of punishment.After I grew up to take notice of things, I found I was oppressed as well as they. I thought it a sin then, for one man to hold another. A good many were so ignorant that they did not know any better, than to suppose that they were made for slavery, and the white men for freedom. Some, however, would talk about freedom, and think they ought to be free....