What is the fine-grained topic of the following text: If the situation unravels there is the possibility of establishing a declared or undeclared Salafist principality in eastern Syria (Hasaka and Der Zor), and this is exactly what the supporting powers to the opposition want, in order to isolate the Syrian regime, which is considered the strategic depth of the Shia expansion. Only return the topic.
Establishment of a Salafist principality in eastern Syria to isolate the Syrian regime