Answer:
The Black Death
Step-by-step explanation:
In the 14th century, thousands of Jews living in Europe were massacres and persecutions because of the outbreak of the Black death. Deaths happened because of an epidemic that spread plague in Europe, killing one-third of Europe population. Without any evidence about the spread of disease, European began to blame Jews for the Black Death. Jews targeted by Christians because of the death of Jesus. Thousands of Jews were murdered by European as believing them to deliberately poisoning wells of Christians.