The balance of threat in the Middle East from 9/11 to the Arab Awakening

One of the most important features in the Middle East review (2001-2011), is the reaction and interaction among the Iran-Syria alliance and the United States and its allies. According to this confrontation, the following questions and hypotheses have been raised by the author: 1- What had been the major cause of the reaction and interaction of Iran-Syria alliance and the US and its allies in the Middle East since 2001 to 2011? 2- What are the strategies of Iran-Syria alliance, and the US and its allies in theirs actions and interactions during 2001-2011? Based on the above questions, the following hypotheses are suggested: 1- The main reason of the reaction and interaction between Iran-Syria alliance and the US and its allies in the Middle East region during 2001-2011 was the perception of threat. 2- Iran-Syrian Alliance Strategy vis-à-vis the US and its allies during 2001-2011 in the Middle East, were respectively bandwagoning and balancing, and strategy of the US and its allies vis-à-vis Iran-Syria alliance was balancing strategy.The research methodology in this study is descriptive-analytic, based on the qualitative method and for data collection the  method has been library and internet.