Could you restate the question I’m not sure what you’re asking.
1) What are two ways the Bubonic Plague negatively affected Europe? Two ways it positively affected Europe?
The role of the Knights in the Feudal System was mainly to serve as a weapon for his lord and they were the lowest part of medieval society and gave military services to their king. As counterpart they were given land to support themselves.
Nobels were normally ranked immediately under royalty and posses more privileges than the knights and had a lifelong obligation of duty to support social responsibilities, honorable behavior, services and leadership positions regulated by the monarch.
The loss of manufacturing jobs is a way that globalizing has an affect on the american economy