Feudalism is an economic and political system that developed in Europe then ended because of the Bubonic Plague.
The disease spread through insects going on rats then on people. It started in China then spread to India, the Near East, then finally in Europe.
People having fevers, vomiting, sneezing, and having bumps. They lived in dirty condition homes and villages .
City streets were filthy with dead animals and human waste. Barely anyone would change clothes and bathe.
People were affected and a lot had died. Many needed more workers because so much people were dead.
Peasants maintained power because there were shifts in power leaving no one to rule. They demanded more rights and money because no one was able to pay them , making the peasants obtain power. So here is how the Bubonic Plague caused the decline of feudalism.