In Europe during the Middle Ages, the morality plays
were

Morality play, also called morality, an allegorical drama popular in Europe especially during the 15th and 16th centuries, in which the characters personify moral qualities (such as charity or vice) or abstractions (as death or youth) and in which moral lessons are taught.

Explanation:

in this passage from chapter 6 of "animal farm", by george orwell, what the author is ridiculing in this passage is the frivolity of some rules.

clover, the mare, believes she remembers that the fourth commandment forbade sleeping in beds because it was something that humans did. snowball, napoleon, and the pigs are brain-workers who look after the welfare of the farm. they are the obvious leaders because they are smart, and so they are entitled to eat the best food and sleep in beds. it is squealer, who says these lines making the difference between sleeping with sheets, what humans do, and sleeping in beds, what pigs do. the unwillingness to question authority makes the oppressed to obey without thinking.

pandora was the poor unfortunate soul that was tricked into letting all of the evil of the world out of the pithos (any percy jackson fans out / box.