Why did Christians attack Jews during the crusades?

Options:
They wanted revenge for Jewish attacks on Christians
Jews were trying to regain the holy land for themselves
Jews had allied with Muslims
Some Christians viewed Jews as enemies of Christianity

The option "Some Christians viewed Jews as enemies of Christianity" is the most accurate explanation for why Christians attacked Jews during the Crusades. While it is important to note that not all Christians participated in these attacks, there were certain factions within Christianity that held negative views of Jews and considered them enemies. This animosity was fueled by religious prejudice and anti-Jewish sentiments prevalent during that time. Christians who participated in the Crusades often targeted Jews in addition to Muslims because they believed that both groups posed a threat to Christianity. It should be emphasized, however, that this does not represent the views or actions of all Christians, as many Christians actively protected and aided Jews during this period.