The ‘Conclusion’ stresses the importance of skilled diplomacy and cooperation. The unfeasibility of unilateralism means that nations do still rely on the international system and need to manage tensions and disputes. Failure to do so could lead to disaster, as the system is all too capable of destroying itself. Statesmen must be committed to international peace and security. Although democracy may not be the modal form of government worldwide, foreign policy should nonetheless be conducted with reference to certain underlying principles, principles that should be promoted globally.