The civilization of the original and early stage must not be a slave society 起源阶段与早期阶段的文明不可能是奴隶社会。
2.
" but to return . i have shown that no society of slaves can endure , because , in its very nature , such society must annul the law of development “不过，话又说回来，我曾经告诉过你们，奴隶社会是长不了的，因为就其本性而言，这样的社会必须消灭发展规律。
3.
As we know very little about them apart from legend , we can only speculate that they were probably tribal chieftains during the transitional period from primitive to slave society 撇开神话的色彩，他们的本来面目大概就是原始社会向奴隶社会过渡时期的部落首领。
4.
As the private land ownership developed , the owners of large land began to turn war captives into slaves , buy foreign slaves and to force them work in their land , so that the slavery society gradually was formed 土地买卖先于奴隶买卖在人类社会中发生，由于大土地所有者需要奴隶为他们耕种田地，奴隶社会制度随着土地私有化而诞生了。
