O cenário de mudanças nas relações internacionais depois do fim da Guerra Fria produziu novos conceitos de Estados, vistos pelos Estados Unidos-a única superpotência remanescente-como uma ameaça à sua segurança nacional e à ordem mundial. Dentre esses conceitos, o mais comum é o de Estado pária, adotado no vocabulário oficial de segurança da administração Clinton nos anos 90. Depois de um breve declínio de seu emprego no final da década, o conceito de Estado pária retornou com força total na guerra contra o ter-Khatchik Derghoukassian 268 * Ao longo do texto, o autor utiliza a sigla WOT (war on terrorism), cuja tradução seria GCT (guerra contra o terrorismo), porém preferi manter o texto por inteiro, sem a sigla [N.T.].
Based upon the definition of security community and its application to the Common Market of the South, Mercosur, the author examines the subregion's capacity for responding to current threats to its security, emerging primarily from dynamics that transcend the state and musí thus be counteracted by collective efforts involving both the state and civil society.The article explores the historical record of Mercosur with the goal of illustrating that integration processes are not exempt from security problems; in fact, the subregión is threatened by arms proliferation and common violence. As a result, civil society has adopted a diverse series of actions that constitute an important example of collective action and that,as in the case of the threats mentioned, may become transnationalized, successfully reproducing themselves in other parts of the región.
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