Final answer:
The Anti-Semitic stereotype 'The Dirty Jew' arose in the Middle Ages due to false accusations of Jewish people contaminating the water supply and spreading the plague. This led to widespread persecution and scapegoating of Jewish communities, fueled by religious dogmatism and the belief in racial theories.
Step-by-step explanation:
The Anti-Semitic stereotype/trope 'The Dirty Jew' arose during the Middle Ages primarily due to the false accusation that Jewish people were responsible for spreading the plague by contaminating the water supply.
Although Jewish communities also suffered from the plague, they faced widespread persecution fueled by religious dogmatism and the belief that they were morally contaminating communities. This led to the scapegoating and persecution of Jewish people, including massacres.
The rise of anti-Semitism was also fueled by the belief that Jews represented the problems of modernity and the development of racial theories, which categorized Jews as a separate race with inherent negative traits.