An oxymoron is the literary device used by Romeo  in that passage.
        
             
        
        
        
Answer:
Increased number of soilders
Explanation:
Just did the assignment
 
        
             
        
        
        
Answer: That is it raining heavily
Explanation:
 
        
                    
             
        
        
        
Answer:
Explanation:
The son 
The subject is the son was helping the dad 
The speaker feels happy because the father and son are spending time together
The mood of the poem is very happy like because there is a bunch of laughter