As, the terrorism, nowadays, is an important and effective matter that affects different problems especially national security, it is tried to study an important aspect of interaction fields between national security and political development in developing countries and Iran. An important point in this study is to consider terrorism as an strategic phenomenon that follows the procedures including three operational phases (creating mental agitation by frightening people-encouraging governor system to responding and transferring legitimacy) to obtain their owns aims and affect on countries national security. They administer a space interaction and oppositional in related to the people and political governor system so that they can get to their own political aims, too.
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