How did Feudalism and Manorialism have a negative impact on the serfs Positive?

Here is a little prompt...

Explanation:

Feudalism negatively affected Europe during the Middle Ages by making the lives of peasant farmers harder, by spreading the Black Plague, and by controlling the lives of the uneducated and poor. Uneduacated peasants were controlled by the nobilty. They did not have rights and were restricting from many things.

definitely a for sure. ill see and update if i get the answer