Peace is the common interest of the entire world. In order that it may be preserved, appropriate administrative action must, from time to time, be taken on behalf of the society of states, and adequate forces must be available for the prevention or termination of hostilities. The practical problem in which every one is interested, whether consciously or not, is this—how is the world to make provision that such action shall be taken, and such forces shall be available, as may be necessary for the preservation of peace ?