“The basic difference between American imperialism today and American imperialism a century ago is that it is more violent, more far-reaching, and more carefully planned today. But American foreign policy, at least since 1823, has always been assertive, always expansionist, always imperialist. Of course, it has rarely been pushed beyond America’s capabilities. Thus, when the United States was weak, its interventions abroad were mild. When its strength grew, so did its daring. Today, as the most powerful nation on earth, with a technological advance over other countries of mammoth proportions, the United States can be imperialistic on all continents with relative security…”