major powers in Syria

""It must be asked to what extent international powers share responsibility for sustaining or, worse, agitating, the conflict? For example, Turkey has, according to Turkish press reports, struck Syria 87 times, killing 12 soldiers and destroying tanks, since a — likely — stray shell fired in Syria hammered into a home in a Turkish frontier town in October, killing five members of a family. Yet Turkey allows fighters and weapons to flow freely across its border — and was involved in organizing opposition forces and providing logistical support — and there are FSA bomb-making factories in and around Antakya. In essence, Turkey, which forms Nato's eastern bulwark, has aggressively pursued a policy of regime change in Syria and subsequently has come dangerously close to igniting a regional war."" (thanks Amir)