They ended the attacks of the Barbary pirates. They arranged the purchase of the Louisiana territory
Yes. McCarthy played a big role in that.
Korea main role was setting conflict between the communists and the west. hope that helps
This is somewhat of a subjective question, but most would agree that no, Andrew Carnegie and John <span>Rockefeller were not too greedy to be philanthropists, since this was categorized more as "financial ambition" back then. </span>