Exact and not really pleasant ... ! and honnest in more for the beahvior about it's people better if this dictator leaves really some completely blind !The Civil war started as just that a Civil war, as Assad was in the middle of a extreme Crackdown the locals had enough.
even before
Turkey decided to play against Assad supporting the locals.
Then AQ forces retreating from Iraq decided to use the fight to there advantage and rushed into Syria.
Parts of the military defected
Chemical weapon attacks
Russia joined backing there man Assad.and disarm Obama.
Iran joined.
Turkey changed sides.
The Military defectors were left with there pants down.
AQ splintered into the Self proclaimed Caliphate.
The conflict spilled into Iraq and beyond.
Russia directly struck targets.
The Kurds started fighting.
Turkey started protesting the Kurds.
The root cause remains That Syria was NOT doing just fine. as long as that root cause is there Syria will remain in a civil war.