Pursuing a sectarian agenda, Iranian leaders have also fueled the conflict by sending religious leaders to Syria to depict the conflict as a religious war.
Iran’s military forces and operations in Syria are significantly more than what has been generally reported so far.
Iran has played a crucial role in maintaining in power President Assad, who has repeatedly used chemical weapons on civilians. Iran has promoted continuing the conflict.
See more: https://www.gatestoneinstitute.org/9406/iran-soldiers-syria