Reading following from Making of African America:
While the motives of forced migrants can be reduced to a function of economic calculus - the market for labor, for example - free migrants have a multitude of reasons for moving beyond that of finding work. The needs of families and kin, the desire to create new societies, and the aspiration for greater political freedom or material prosperity are just some of these.
If a person does not like his environment, he moves. But in the short human life, is there a chance to set the life he wants.
Is giving others the opportunity that they need to get ahead in life, living as many lives that we can scrape in one.