Answer:
In the late fifties, a sociological phenomenon was suddenly remarked: a third of American women now worked,
Explanation:
 
        
             
        
        
        
The answer would be vault : crash down : start : stop
The first two are opposites, so start : stop would complete the analogy
        
             
        
        
        
Answer:
An analogy is used
Explanation:
When the example of the family wanting chili but you wanting pizza was used, it was to clarify and explain how a community works making it an analogy. I'll also include the definition of an analogy.
Analogy: a comparison of two unlike things, typically for the purpose of explanation or clarification.