Le traité de paix est un acte juridique de nature conventionnelle, conclu entre deux ou plusieurs États en vue de mettre fin à une guerre qui les oppose. Cependant, au regard des conditions de sa conclusion aussi bien que de son contenu, l’instrument présente un certain nombre de caractères peu compatibles avec le modèle classique du traité international. En effet, l’exigence d’une rencontre de volontés à la fois libres et égales se heurte tant à l’existence d’un recours préalable à la force qu’au défaut de réciprocité des droits et obligations convenus. Pour autant, l’instrument ne peut être réduit au simple enregistrement d’un rapport de forces entre les parties, au profit duquel le vainqueur dicterait arbitrairement ses conditions à un vaincu contraint de les accepter. Au contraire, la pratique révèle l’inscription du traité de paix dans un faisceau de mécanismes juridiques qui détermine en partie le contenu, le sens et la mesure des droits et obligations respectifs des belligérants. Essentiellement empruntés au droit de la responsabilité internationale et au droit de la sécurité collective, ces mécanismes invitent à envisager le traité de paix, non comme le produit de l’application exclusive du droit des traités, mais comme le résultat des exigences simultanées et potentiellement contradictoires de différents corps de règles. Cette approche dynamique de l’instrument permet de porter une lumière nouvelle sur les règles matérielles qui régissent la fin des conflits armés internationaux, autant que de mettre en question certaines représentations parfois hâtivement associées à la forme du traité international. / Peace treaty is an international legal act of a contractual nature, concluded by two or more States in order to end the war between them. Nevertheless, regarding both the circumstances of its conclusion and its content, this instrument is remotely compatible with the classical figure of international treaty. The requirement of free and equal wills faces both the existence of a prior use of force and the lack of reciprocity on the agreed rights and obligations. This does not mean that the instrument is solely the product of two forces confronting each other. In practice, the winner does not arbitrarily dictate its terms to a coerced vanquished. On the contrary, a peace treaty finds itself at the intersection of several legal mechanisms which partly determine the content and the extent of the respective rights and obligations of belligerents. Those mechanisms are mostly borrowed from the law of international responsibility and the law of collective security. They invite to consider the peace treaty not as the product of the exclusive application of the law of treaties, but as the result of simultaneous and potentially conflicting requirements of different bodies of rules. This dynamic approach of the instrument brings a new light on the substantive rules governing the end of international armed conflicts. It also permits to discuss certain representations sometimes hastily associated with the very concept of treaty.

Made available in DSpace on 2014-06-11T19:27:59Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-06-22Bitstream added on 2014-06-13T18:56:58Z : No. of bitstreams: 1 dallevedove_lu_me_mar.pdf: 777815 bytes, checksum: b018ab0f827300baf43f15d384f965d6 (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Neste trabalho, avaliamos se a intervenção da OTAN no Kosovo corresponde a uma nova concepção de segurança desenvolvido pela Organização, conforme defendem seus países-membros em documentos oficiais da década de 1990. A Organização do Tratado do Atlântico Norte (OTAN) constituiu-se, desde sua fundação no final da década de 1940, numa aliança militar entre Estados Unidos e Europa Ocidental contra a ameaça de invasão a partir da União Soviética. Seu aparato defensivo e uma série de outros arranjos cooperativos foram articulados com base nessa premissa, que teria sido revista a partir do fim da Guerra Fria. Nos anos 1990, portanto, a organização reviu seu conceito estratégico e propôs um novo conceito de segurança, apregoando adaptar-se a um novo ambiente internacional. Em 1999, a OTAN interveio militarmente na então República Federal da Iugoslávia com vistas a interromper o enfrentamento entre seu governo, organizações autonomistas ou separatistas da província autônoma do Kosovo e a população civil daquele local, alegando garantir auxílio humanitário e a interrupção de violações de direitos humanos, algo associado a sua nova concepção estratégica. / The pursuit of this work is to analyze if NATO‟s intervention in Kosovo corresponds to a new security conception developed by the organization, as its member States argue in official documents at the 1990‟s. The North Atlantic Treaty Organization (NATO) was constituted, since its foundation at the end of the 1940‟s, of a military alliance among United States, Canada and West Europe against a threat of invasion by the Soviet Union. Its defensive structure and a wide range of cooperative arrangements were based on this argument having it been reviewed by the end of the Cold War. At the 1990‟s the organization remodeled its strategic concept and purposed a new security concept, affirming to adapt itself to the new international environment. In 1999, NATO intervened militarily against the former Federal Republic of Yugoslavia aiming to interrupt the conflict among its government, autonomist or separatist organizations from the autonomous region of Kosovo and the civil population of that region, alleging to guarantee humanitarian aid to interrupt hard human rights violations, something associated later to its new strategic concept.

La CEDEAO est une organisation économique communautaire sous-régionale de l’Afrique de l’Ouest qui a été créée en 1975 dans un but purement économique. Lors de sa création, elle a observé le principe de la non-ingérence dans les affaires intérieures des Etats. Cependant, en 1993, lors de la révision de son traité, elle observe un changement radical de doctrine. En effet, indifférente des régimes politiques de ses Etats membres, elle s’ingère et cela de façon significative dans les affaires intérieures des Etats notamment dans la désignation des gouvernants, le fonctionnement des institutions internes et la protection des droits de l’homme. Ce qui a conduit l’organisation à se doter de moyens contre le changement anticonstitutionnel. L'organisation s’implique contre ce fléau dans le cadre de la sécurité collective sous-régionale. En effet, depuis la révision de son traité en 1993, elle observe avec une attention particulière, le fonctionnement des institutions internes de ses Etats, la dévolution du pouvoir et la protection des droits de l’homme. Cette thèse traite les moyens mis en place par l’organisation contre les changements anticonstitutionnels de pouvoir. Elle relève les avancées et les écueils, elle fait aussi des propositions d’amélioration. / The Economic Community of West-African States is a sub-regional organization that was created in 1975, initially with a purely economic purpose. Since its inception, the organization has observed a clear principle of non-interference in its member-states” internal affairs. But since then, the recrudescence of coups that affected political stability in various member-states and economic development for the sub-region, have led the organization to operate a change in its doctrine and missions. Indifferent to the political regimes of its member-states, and their effect on Human rights protection, ECOWAS has been increasingly involved in conflict prevention and anti- constitutional changes in power. For ECOWAS, coups fall under its mission to promote and preserve sub-regional collective security. Since the 1993 revision of the Lagos Treaty that saw its creation, ECOWAS pays close attention to the inner working of its member-states” institutions, the legality and constitutionality of power transfers as well as the protection of Human rights. This dissertation deals with the instruments developed by the sub-regional organization to prevent and counter anti- constitutional power transfers. It pays attention to the progresses made as well the tools missing from ECOWAS’ legal arsenal. At last, this dissertation offers a set of proposals designed to improve the organization’s capacity to prevent and respond to coups threatening its member- states political stability and the region’s security.

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Since the cold war, most countries have moved on from the classical security perception that all threats are external and aiming to invade the sovereignty of the state, thus leading to military armies fighting each other. Instead as Globalization have become more predominant since the beginning of the 1990’s new threats have also emerged that militaries can’t fight as they used to, thus it has become necessary for a wider view on security which also involves human suffering, and the general trend among armies have been to combat these through international peacekeeping and humanitarian operations. This study aims at showing the change in which the Swedish army have undergone since the end of the cold war and into modern days, both in terms of political decisions and also show how the use of language have been changed throughout the course. The thesis covers a time period between 1989 to 2009 and following the process of change from the Swedish political institution that works with military issues, called the Försvarsutskottet or the FöU and the method applied is process tracing with a detailed narrative. Several important conceptions are also explained such as Globalization, Collective security and Human security, which will make the result chapter more understandable. The results showed that the biggest changes in Sweden’s military policy came in three steps, the beginning of the 1990’s was influenced with economic problems for Sweden which also lead to budget downsizings in the military. The mid-1990’s was the time where there existed no real external threat to Sweden, and hence it came to be dominated by several large reforms which also aimed at lowering the costs of the military and adapt it into becoming rapid response forces. After the 9/11 attacks in 2001 the new threats emerged and the Swedish military focused even more on improving their international and humanitarian operations. The thesis ends by discussing these finding and present some changes in the use of languages in-between the 20 years.

Selon un bilan établi en 1998 par le Secrétaire général de l’O.N.U., l’Afrique est le continent le plus touché par les conflits. Aussi bien les Organisations Internationales que les Etats contribuent à apaiser les situations soit par la voie pacifique soit par le recours à la force armée. Le premier Président ivoirien avait fait du dialogue sa priorité en matière de résolution des conflits tant internes qu’internationaux. Plusieurs médiations avaient été menées par les autorités ivoiriennes à l’occasion de crises auxquelles étaient confrontés certains pays africains. La Côte d’Ivoire s’était attelée à trouver, par le dialogue, des solutions. Mais elle a également participé à des opérations de maintien de la paix. Le déclenchement de la crise ivoirienne a inversé les rôles. La Côte d’Ivoire a été l’objet de médiations ; des troupes étrangères ont été déployées dans le cadre d’une mission de maintien de la paix. Le dialogue utilisé à l’occasion des autres conflits africains a mis du temps à trouver une application effective. En tout état de cause, c’est par le dialogue que les acteurs politiques ivoiriens ont pu trouver des solutions aux problèmes de la Côte d’Ivoire. / According to an established assessment by the General Secretary of the UN in 1998, Africa is the most affected continent by conflicts. International organisations as well as States play a great part in alleviating conflict situations, either by the peaceful way or the recourse to the armed force. The former Ivorian president has made dialogue his priority, as far as, both internal and international conflicts ‘resolutions are concerned. Several mediations were led by Ivorian authorities at the time of crises with which some African countries were confronted. Côte d’Ivoire set out to find, through dialogue, solutions. But it also took part in peacekeeping operations. The Ivorian crisis outbreak reversed the roles. Côte d’Ivoire has been object of mediations. Some international armed forces have been deployed as part of peacekeeping mission. The dialogue used at the time of other African conflicts took time over finding an effective application. At all events, it is through dialogue that the Ivorian political actors were able to find solutions to the problems of Côte d’Ivoire.

Recent developments in the South China Sea have shed light on the motivations and capabilities of China. A multilateral ASEAN defense community based on collective security would better situate claimant states to offset a rising China. Unfortunately, the lessons learned from SEATO, and the current internal characteristics of ASEAN, leave little hope for collective security to be achieved in Southeast Asia without superpower intervention.

L’objectif de la présente recherche portant sur l’évolution du droit des États à recourir à la force dans les relations nternationales est de montrer suivant une approche historique fondée sur le droit international que la pratique des États en la matière a changé. Effectivement, du droit de « faire la guerre » reconnu comme un droit souverain, passant par les premières tentatives de son encadrement au XIXe siècle, la rupture significative est venue en 1945 avec la création de l’ONU ; la Charte des Nations Unies ayant consacré un principe d’interdiction du recours à la force, exception faite de la légitime défense et de l’autorisation du Conseil de sécurité. Toutefois, aucune précision n’ayant été apportée sur la forme que doit prendre cette autorisation du Conseil de sécurité, dès 1966 comme dans l’affaire rhodésienne, ce dernier autorisait explicitement l’usage de « la force ». À partir de 1990, il prend de l’assurance avec la technique de l’autorisation et retient la formulation implicite d’« autorise les États Membres à user de tous les moyens nécessaires ». Cependant, il arrive qu’une résolution du Conseil ne soit ni n’explicite, ni implicite, mais des États interviennent, arguant de l’existence d’une autorisation implicite du fait de l’émergence des doctrines comme « guerre préventive », « guerre contre le terrorisme » ou encore « intervention humanitaire ». Des cas d’interventions menées en 1992 au Libéria, 1999 en Sierra Leone et au Kosovo et en 2003 contre l’Irak, sont illustrateurs. Ainsi, sur la base de l’interprétation des résolutions du Conseil, l’autorisation implicite tend à devenir la règle en matière de maintien de la paix et de la sécurité internationales. Dès lors, afin d’éviter de réduire le jus ad bellum à un unilatéralisme excessif, et en démontrant la conformité de l’autorisation implicite au régime juridique établi du recours à la force en droit international, nous invitons à la redéfinition de celle-ci. / The purpose of this research on the evolution of the right of States to use force in international relations is to show, following a historical approach based on international law, that State practice in this area has changed. Indeed, from the right to "make war" recognized as a sovereign right, passing through the first attempts of its leadership in the nineteenth century, the significant rupture came in 1945 with the creation of the UN; the United Nations Charter has enshrined the principle of the prohibition of the use of force,except for the self-defense and the authorization of the Security Council. However, since no details were given as to the form this authorization of the Security Council should take, as early as 1966, as in the Rhodesian case, the latter explicitly authorized the use of "force". From 1990, he gained confidence with the technique of authorization and retained the implicit formulation of "authorizes Member States to use all necessary means". Though, sometimes a resolution is neither explicit nor implicit, but states intervene,arguing the existence of an implied authorization because of the emergence of theories like"preventive war","war on terror" or "humanitarian intervention". Cases of interventions in 1992 in Liberia, 1999 in SierraLeone and Kosovo and in 2003 against Iraq are illustrators. So, based on the interpretation of Council resolutions, implied authorization tends to become the rule in the maintenance of international peace and security. Therefore, to avoid reducing the jus ad bellum to excessive unilateralism, and by demonstrating the conformity of the implied authorization with the established legal regime of the use of force in international law, we invite the redefinition of this one.

Following a period of civil unrest that occurred in Kazakhstan in January 2022, the Collective Security Organization (CSTO) unprecedently activated its collective defense mechanism to intervene in Kazakhstan. This thesis examines the course of events that took place in Kazakhstan and critically poses questions related to the CSTO’s military intervention. In addition, the study reviews the way Russian media projection of the Kazakhstani unrest demonstrates messages related to securitization. By drawing on securitization theory to conduct a critical discourse analysis of the audiovisual and textual representations of the unrest on the Russian broadcaster RT’s English-language YouTube channel, this thesis demonstrates that RT amplified securitizing moves made by Kazakhstani President Tokayev and Russian President Putin, which framed the unrest as an existential threat to Kazakhstan and Russia respectively. The study illustrates that President Putin securitized the unrest out of a concern that it may develop into a “color revolution” with possible ripple effects on Russian domestic politics, while Tokayev did so to convince the leaders of the CSTO to intervene in Kazakhstan. This thesis thereby not only contributes to securitization research, but also sheds light on the under-researched and regionally significant event that the Kazakhstani unrest constitutes.

Depuis 2001, l'UE a mené plus d'une vingtaine d'opérations militaires et de missions civiles, et elle est désormais considérée comme une organisation majeure dans le domaine du maintien de la paix.Longtemps perçue comme une organisation intergouvernementale, la mise en place d'une structure européenne de gestion des crises intégrée au coeur de l'organisation, ainsi que la délégation de la gestion courante de la crise aux organes européens, ont participé à l'autonomisation progressive de l'UE par rapport à ses Etats membres. Cette autonomisation de l'organisation se manifeste également dans l'ordre juridique international. Tout un corps de règles s'applique alors à l'UE du fait de son intervention dans l'ordre juridique international, notamment les règles relatives à la responsabilité internationale des organisations régionales. L'intervention effective de l'Union européenne dans le domaine du maintien de la paix – en tant qu'organisation régionale – s'inscrit dans un cadre juridique imprécis. Or, le phénomène de régionalisation a pu être interprété comme portant préjudice au système de sécurité collective instauré par la Charte des Nations unies. Partant,deux aspects de l'intervention effective de l'UE appellent analyse : celui de la conformité de son action au cadre onusien et celui de sa contribution aux évolutions du maintien de la paix / Since 2001, the EU has conducted more than twenty military operations and civilian missions, and is now seen as one of the leading organizations in the field of peacekeeping. For a long time perceived as an intergovernmental organization, the establishment of an integrated structure for crisis management into the heart of the organization, as well as the delegation of this crisis management to the different European organs, have contributed to the gradual empowerment of the EU toward its member states. This process of becoming autonomous is also evident in the international legal order. A large set of rules thus applies to the EU due to its involvement in the international legal order, including rules relating to the international responsibility for regional organizations. The effective intervention of the European Union in the field of peacekeeping – as a regional organization– is in keeping with an unclear legal framework. However, the phenomen on of regionalization could have been interpreted as prejudicing the collective security system established by the UN Charter.Two aspects of the effective intervention of the European Union call for analysis : the conformity of its action to the UN framework and its contribution to the evolution of peacekeeping