Many europeans believed the black death was select all that apply.
a. judgement day - the end of the world.
b. penalty for sin in one's life
c. a way to excuse questionable practices
d. the fault of the jewish population who were then killed

The correct answer is  B. Penalty for sin in one's life and D. The fault of the Jewish population who were then killed

Explanation:

The Black Death or the Black Plague killed about 75 to 200 million of people during the 14th century and is considered as one of the most catastrophic pandemics in history, because of this the Black Death reduced significantly the population of Europe in around 60%. Also, it should be considered religion was quite important during the 14th century and because of this people in Europe tried to explain this catastrophe through religion concepts, one of these, was to blame certain  groups in the populations such as foreigners, lepers, Romani and Jews, because of this all those groups including Jews were attacked and many were killed, some of these group were completely annihilated. Also, people believed the Black Death was the result of their sins and because of this they believed God's forgiveness would cure them, this implies they believed they were punished for their sins.