to war by their weakness and provoke them by their turbulence. Races hitherto subject to others make progress and demand their freedom. All these modes of growth produce situations which cannot be solved without great international changes, and there is at present no machinery for accomplishing such changes except the monstrous machinery of war.
It is right that Italy should be free and united; yet how could that have been achieved except by war? How could America have become independent? How could the Balkan peoples have escaped from the yoke of the Turk? All these changes were obviously desirable, and there will be others like them in the future.
When the need for change occurs within the limits of one sovereign state the machinery for dealing with it exists, and the difficulty is far less. Most of the British colonies gained their powers of responsible government without serious friction: England had learnt her lesson in America and Canada. The gradual growth of self-government in India will be an infinitely difficult but probably a peaceful process. The great classical instance in recent times is the separation, without war, of Norway and Sweden, an achievement which filled Europe with admiration.
When the impending change affects the interests of two sovereign states, it needs good statesmanship and favourable circumstances to avoid a quarrel. The peaceful partition between the Powers of 'spheres of
