This is a study of interstate armed conflict prevention. The concept of conflict, armed conflict and conflict prevention is defined and explained in order to be able to investigate if there is any single institution saddled with the responsibility of preventing interstate armed conflict and also to verify if adequate efforts are been put in this area which is of importance to mankind. The relationship between conflict prevention, conflict management and conflict resolution is also discussed so that a proper understanding of interstate armed conflict prevention is made. The latter part of this study is aimed at investigating who has the responsibility to prevent interstate armed conflict and the importance of external actors in conflict prev...