How did geography influence the early economic development of new york, boston, and charleston

Geography played a critical role in the economic development of New York, Boston, and Charleston, since all of these cities were located on the Atlantic Ocean and had protected harbors, that allowed for unprecedented levels of trade with both other states and other nations. 

Social darwinism refers to the the theory that people who succeed in our economic system will one day out compete those who fail. one day the rich will out succeed the poor so we'll that there will eventually be no more poor