Theoretical Approach to Cyclical Theory Analysis and Effectiveness in Foreign Policy

foreign policy is one of important functions of actors in international system, so that lack of proper and correct foreign policy leads to confusion about goals and functions of the actors in the international system. one of the concepts that is very much related to foreign policy and is one of elements foreign policy is Power. The present article by assuming power as a very important tool in drawing foreign policy and accepting this fact that the international system is cyclical and has experienced multiple cycles of cycle, attempt at answer to question that cyclical of the international system and its phenomena what affection have on actors foreign policy? Long cycle, points turning, cycle phases and non linearity of events and phenomena in points turning and long cycle phases are the most important foreign policy parameters in international system cycles. therefore, the international system actors drawing their foreign policy and strategy with respect to the existing cycles, and the relationship between foreign policy and the cycles of power is a direct and immediate connection, so that the effectiveness of foreign policy states is highly influenced from high power cycles and different phases in international relations.