<span>that he would find a faster way to the west indies and bring them back spices</span>
Social Darwinism was most likely applied to treat immigrants from different regions differently, however, Social Darwinism does not specifically relate to immigrants but also to all members of society. In the American context, the notion was implemented to popularize the notion of "survival of the fittest" or that the strongest members of a society will succeed and the political system should support this theory.
On my computer the map won't load but i'm guessing A. people cannot farm in Africa.
(hope this helps :C
