<P> Over 7,600,000 internally displaced (July 2015 UNHCR estimate) </P> <P> Since early 2013, the FSA has been decentralized with their name being arbitrarily used by various rebels . Turkey has provided arms support to the rebels since 2011 . Since Aug. 2016, Turkey has fought alongside the TFSA in Aleppo governorate against the SDF, ISIL and later the Syrian government . Sep.--Nov. 2016, the U.S. fought alongside the TFSA in Aleppo governorate solely against ISIL . In 2017--18, the U.S. intentionally attacked the Syrian government 10 times, while in Sep. 2016 it accidentally hit a Syrian base, killing over 100 SAA soldiers . Syria maintains that this was an intentional attack . HTS's predecessor (the Al - Nusra Front) and ISIL's predecessor (ISI) were allied al - Qaeda branches until April 2013 . An ISI - proposed merger of the two into ISIL was rejected by the Al - Nusra Front and al - Qaeda cut all affiliation with ISIL in February 2014 . Ahrar al - Sham and Tahrir al - Sham's predecessor, the Al - Nusra Front, were allied under the Army of Conquest from March 2015 to January 2017 . </P> <P> The Syrian Civil War (Arabic: الحرب الأهلية السورية ‎, Al - ḥarb al - ʼahliyyah as - sūriyyah) is an ongoing multi-sided armed conflict in Syria fought primarily between the Ba'athist Syrian Arab Republic led by President Bashar al - Assad, along with its allies, and various forces opposing both the government and each other in varying combinations . </P> <P> The unrest in Syria, part of a wider wave of 2011 Arab Spring protests, grew out of discontent with the Assad government and escalated to an armed conflict after protests calling for his removal were violently suppressed . The war is being fought by several factions: the Syrian government and its international allies, a loose alliance of Sunni Arab rebel groups (including the Free Syrian Army), the majority - Kurdish Syrian Democratic Forces (SDF), Salafi jihadist groups (including al - Nusra Front), and the Islamic State of Iraq and the Levant (ISIL), with a number of countries in the region and beyond being either directly involved, or providing support to one or another faction . </P>

Who are the two sides in the syrian conflict