Segregation and separation of classes in american urban environments occurs because of

there is many possible answers to this question. Many, many, many.  this happened alot because of things in the past. segregation happened because  people viewed blacks as slaves, they thought hat blacks were viewed as less than everyone else. Separation of classes happened because everyone thought that the richer you are, the more superior you are.  

Explanation:

answer; delirium is a common adverse reaction seen when elderly patients take diphenhydramine;