But who is to arrange that no war is to be declared? Who is to compel people to do this and that? Who is to force states to delay their operations for a certain fixed time? All the other states. But all these others are also states which want holding in check and keeping within limits, and forcing, too. Who is to force them, and how? Public opinion. But if there is a public opinion which can force governments to delay their operations for a fixed period, the same public opinion can force governments not to declare war at all.

But, it will be replied, there may be such a balance of power, such a POND�RATION DE FORCES, as would lead states to hold back of their own accord.

Well, that has been tried and is being tried even now. The Holy Alliance was nothing but that, the League of Peace was