Answer:
It implies that Douglass and his siblings nearly forgot about their early lives.
Explanation: I just took the quiz, and it was right.
 
        
                    
             
        
        
        
We know he is talking to a third party narrator that he is talking to an imaginary rabbit
        
                    
             
        
        
        
Threateningly
We can tell that because the dogs are huddled together in fear, there's some sort of danger. Also the snarling suggests they are under caution or going on defense from some danger; they feel threatened.