The purpose of this paper is to present an analysis of the policy of Ad Hoc alliances or "coalitions of the willing" in the Bush administration in connection with the war on terrorism. The emergence of such represents an international-level policy designed to effectively combat the threats that disturb the global scenario as a whole, but that also generate divisions within the international community at the time that they are defined and, therefore, create dissension when it comes time to consider the best way to combat them. This paper concludes that Latin America should move toward participating and extending its participation in coalitions of the willing, due to the fact that permanent regional multilateral efforts are difficult to achieve, because of the wide scope of the existing threats and because of the increasing polarization existing in the region regarding the US
