The achievement of such ends requires several stages in the adjustment of national political attitudes, which now verge on anarchy in the absence of clearly defined laws or universally accepted and enforceable principles regulating the relationships between nations. The League of Nations, the United Nations, and the many organizations and agreements produced by them have unquestionably been helpful in attenuating some of the negative effects of international conflicts, but they have shown themselves incapable of preventing war. Indeed, there have been scores of wars since the end of the Second World War; many are yet raging.