What were three effects os the black death on late medieval europe

The Black Death killed 1/3 of the population in Europe

It created a time of mass panic 

The peasants gained better living and achieved freedom

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict