The security dilemma is derived from the realist premise that states act within an uncertain and anarchic international realm that lacks a supranational [Page 1529]authority to regulate their relations and thus require power to ensure security. Therefore, a state heightening its security can be perceived as a potential threat by other states. In this action-reaction process, the main issue lies in the impossibility for State A to clearly determine whether State B accumulates means for defensive or for aggressive purposes. Given the anarchic character of international relations, State A will foresee and anticipate the worst possible situation and then act accordingly. Usually, in order to guarantee its security in a dangerous environment, State A will increase its means in order to maximize its own power ...