Analyzing the approach of the Islamic Republic of Iran in the Syrian crisis using the theory of resistance

The conflict in Syria, which first started with popular protests and then led to a civil war and the confrontation of armed opposition and terrorist groups with Bashar al-Assad's government, involved many actors in this conflict. Some countries supported the opposition of Bashar al-Assad and made every effort to overthrow the ruling system. There were actors who took a step towards the support and survival of Bashar al-Assad's government. The Islamic Republic of Iran was one of the leading actors of this front, which, upon entering the conflict scene, played a key and undeniable role in changing the conditions of the war. This research is based on the basis of why the Islamic Republic of Iran had a direct participation in the Syrian war and what theory can explain and analyze this participation? To answer these questions, Iran's approach after the Islamic Revolution should be examined. An approach that is based on resistance, negation of the domination system, deterrence, fighting against the Zionist regime, supporting liberation movements and increasing regional influence and power. Therefore, with the escalation of the conflict and war in Syria, the Islamic Republic of Iran, which considered the destruction of the Syrian regime to mean the weakening and disintegration of the axis of resistance, the reduction of its deterrent power and regional power, by calculating the ideological, geopolitical and strategic commonalities between itself and the regime Syria had an active and decisive participation in the crisis and provided the basis for the survival of the Assad regime and its strategic alliance with Syria.