When the plague hit Europe it changed the social, political and economical aspects of medieval times.
When the plague first broke out people became scared of each other, not knowing who was sick because no one knew what it was. Neighbours were turning on each other and people wouldn't walk near each other because they were worried that they would become infected.
Theft became a problem because whilst people were sick no one could watch over anything and many people took what they wanted. This also meant that if something went missing people were easily blamed.
one of the effects on the political side of the plague was that the government officials were dead, infected or soon to be dead. Many officials went into hiding with their families so the government was quite unstable at the time.
The government became quite unpopular in the medieval period because they were putting towns and cities on lockdown because they didn't want to further spread the plague to different cities, many people didn't like this because some of their jobs were to trade with different parts of the country and they could no longer do their job.
economical wise the plague was when the feudal began to crumble this was because peasants started to inherit their relatives fortunes and land, therefore, gaining more and more power so the feudal system began to fall and a sound economy was beginning to rise