“No person recognized this fact better than Winston Churchill, whose nation depended on American intervention in the Second World War. At the time, he wrote, “How heavily do the destinies of this generation hang upon the government and people of the United States…Will the United States throw their weight into the scales of peace and law and freedom while time remains, or will they remain spectators until the disaster has occurred; and then, with infinite cost and labor, build up what need not have been cast down?”