An end to Turkish-Russian-Iranian bid in Syria?

The turning point in the years-long Syrian unrest was the launch of a Turkish-Russian cooperation, which evacuated civilians and rebels from Aleppo and saved the lives of around 40,000 people through a cease-fire brokered between the Syrian regime and the opposition groups. 

Right after the evacuation in Aleppo on Dec. 20, 2016, the foreign ministers of Russia, Turkey and Iran came together in Moscow and announced the Moscow Declaration, which pledged these three regional powers the role of being guarantors to expand the truce to all of Syria and create conditions for a political transition. 

Thanks to the joint efforts of Turkey and Russia, the Syrian regime and the opposition groups agreed on a nationwide cease-fire on Dec. 30, 2016 and on a new round of talks in Astana between Jan. 23 and 24. Along with the three guarantor countries, representatives from the armed opposition groups and the regime met around the same table for the first time since the civil war broke out in early 2011. 

Astana hosted two other meetings, with the participation of the three guarantor countries, to reinforce the existing cease-fire and establish adequate joint mechanisms to monitor the implementation of the truce. 
It is expected that these efforts and its results will be transferred to next week's Geneva meetings to be held under the auspices of the United Nations. 

This summary was necessary in order to draw an objective picture about the point we have arrived at the Syrian unrest especially at a time when the new administration in the United States is speedily preparing to return to the Middle East. 

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