All historians are agreed that the external activity of states and peoples in their conflicts finds expression in wars ; that the political power of states and peoples is increased or diminished as the immediate result of success or defeat in war 所有历史学家都认为,国家之间和民族之间在相互交往中,彼此发生冲突的最高表现形式是战争战争的结果,将直接影响国家和民族的政治力量的消长。