Poe uses rhyme to create a nostalgic mood. 
Most of Poes works are dark and mysterious. There are a few that are nostalgic, so based upon this, Im going with nostalgia.
        
                    
             
        
        
        
Answer:
This one, of course:     which sentence uses an informal style
Explanation:
It lacks capitalization and punctuation. 
 
        
             
        
        
        
Answer:
Use eye contact when talking to someone. Have a positive body position and to not interrupt them.