Answer:
3. helps the reader understand the developing conflict
Explanation:
:)
 
        
             
        
        
        
The answer  is a. To show that even seemingly eternal things are temporary,
        
             
        
        
        
Answer:
electronic mail and telephone 
 
Explanation:
just i know the answer not the explaination
 
        
                    
             
        
        
        
C. a textbook because they  used a primary source to make the textbook and they could have left information out or slightly altered some events.