No matter how absurd the details and no matter the lack of evidence, the stories evoked terribly real and disastrous consequences across Europe. Unable to defeat the Mongols, their enemy menacing the boundaries of their civilization, the Europeans could defeat the Jews, their imagined enemies at home. In one city after another from York to Rome, angry Christian crowds attacked the Jewish quarters of their cities. The Christians attempted to punish the Jews with the same treatment that they had heard the Mongols had used in their campaigns.
