Answer:
I'm sorry I'll go with E none of the above.
Explanation:
Because.
 
        
             
        
        
        
A credible peer-review source is from a source that isn't biased, or is not related to you. It is best to find someone who isn't one of your friends. Since they are credible, the source should be verified that they know what they are talking about as well. I hope this makes sense. 
        
             
        
        
        
A. the rise of the middle-class and the wide availability of affordable automobiles led to the development of suburban areas
        
                    
             
        
        
        
I think it’s Behavioral science