D: two of these make sense there going with all will solidify the answer as a whole 
Source: Trust me Bro
        
             
        
        
        
Your answer would be "Enough"
        
                    
             
        
        
        
David walker address his pamphlet to the world because, he was drawing a huge audience and he was uniting them for racial equality around the world. If he would have address his pamphlet to the united states,only, he wouldn't have drew a big audience.
        
             
        
        
        
B. The author includes a metaphor
A metaphor is a form of figurative language.