the persecutions against European Jews in the high middle ages were proceeded by mass eastward migrations of the Jews. The Jews were persecuted because they were considered as belonging to a lower class and were treated as filthy. They were also blamed for things that went wrong in society
Many popular leaders have rallied people to revolt in an attempt to change the political landscape or structure of a country The effects of these efforts were wide spread and resulted in many changes depending on their overall success <span>rate.</span>
I think that the answer is a massive reinvestment in capital industry.
These guys basically plucked from a handful of "sinful wrongdoers" that they believed were to be punished by their own god, and yet took things into their hands. They'd accuse any woman as of being a witch. A servant girl, a sick old lady married to her servant, a homeless begger. And so forth. They played the game telephone and spread lies about anyone and everyone resulting in innocents dying.
