Hilter believed that the jews had some conspiracy to control the world and that they would stab the Germans in the back.
The Song Dynasty (900-1200 CE/AD) was technically the first to industrialize. They were the first known to have assembly lines and they had very advanced technology, but due to their Confucianist ideals they weren't as expansionist and imperialist as Europe which means they didnt spread this at all... so once they were defeated, so was this small burst of industrialism.
Answer:
it was used on a much larger scale for the purposes of mass agricultural labor, as it was an economic alternative to other workers. However, without the large plantations of cash crops that needed such slave labor in the North, the Northern slaves were less common and not a primary source of agricultural production.
