ENDS AND MEANS interests are menaced by a foreign power, intervening on behalf of its investing minority. The interests at stake are the interests of the few; but the public opinion which demands the protection of these interests is often a genuine expression of mass emotion. The many really feel and believe that the dividends of the few are worth fighting for. (x) Remedies and Alternatives.—So much for the nature and causes of war. We must now consider, first, the methods for preventing war from breaking out and for checking it once it has begun and, second, the political alternatives and psychological equivalents to war. It will be best to begin with the existing methods of war preventions. These methods are not conspicuously success- ful for two good reasons: first, they are in many cases of such a nature that they cannot conceivably produce the desired results and, second, even when intrinsically excel- lent, they are not calculated to eliminate the existing causes of war or to provide psychologically equivalent substitutes for war. Accordingly, after describing and discussing the methods at present in use, I shall go on to outline the methods which should be used, if the causes of war are to be eliminated and suitable alternatives to war created. The hopes which so many men and women of good will once rested in the League of Nations have been dis- appointed. The failure of the League of Nations to^secure the pacification of the world is due in part to historical accident, but mainly to the fact that it was based on entirely wrong principles. The historical accident which stultified the League's ability to do good was the refusal of the Americans to join it and the exclusion for many years of the 'enemy powers* and Russia. But even if America, Germany and Russia had all been original members, it is still as certain as any contingency can be that the League would not have produced the good results expected of it. The League admits to .membership any community, how- 108