USA vs USA

American has various intelligence and war-fighting departments funding groups in Syria which fight each other. With America funding both sides of the conflict, a logical question is to wonder if this is to foment trouble and help weapons manufacturers sell more products.

Non-American newspapers are willing to call out Obama for constant war-fighting.

US-backed militia groups now fighting each other in Syria

If anywhere can show the consequences of American foreign policy under President Barack Obama, it may be the small town of Marea, north of Aleppo.
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Analysts – and many American diplomats who have left the administration, some in disgust – say that the mess is a consequence of President Obama’s decision to support the rebellion against President Bashar al-Assad, but only half-heartedly.
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Then he also decided to support the Kurds. He wanted them to fight Isil, which they did, but they also took on anyone else who stood in the way of a Kurdish mini-state in northern Syria, and that now means rebel areas like Marea, north of Aleppo, which is between that mini-state’s western and eastern halves.

As a result, the town is being fought over by two western proxies.