For one, there wasn't exactly a labor shortage. Because of the economic theory of mercantilism, the colonies were established to produce a surplus of goods. In other words, the only reason there was a labor shortage was because the colonies had been established in the first place for the purpose of creating tons and tons of mostly unnecessary stuff (like tobacco). The best solution would have been simply not to colonize America in the first place, but the colonists could also simply have done the work themselves, or hired labor from other parts of the world rather than capturing and enslaving people.
        
             
        
        
        
There are all different types of cultures that blend together in the US.
        
                    
             
        
        
        
I think he was simply for it
        
             
        
        
        
Life wasn’t fair everybody need their own rights in everything else
        
             
        
        
        
Answer:
Similar problems, race and goals.
Explanation:
Similar problems, race and goal are the factors that formed a sense of self-worth and community possible because all the slaves experience same attitude and difficulties. They formed a community in order to be united and get rid of slavery and difficult life. 
The life of slaves are very hard, painful and full of difficulties so that's why they established a sense of self -worth and community to solve their problems.