Before the Civil War, prejudice against blacks was common in the North and the South resulted in?

Explanation:

North America turned to African slaves as a cheaper, more plentiful labor

dirty, contaminated water

contaminated food,

chlostrophobic living spaces,

mice infestation,

etc,

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.