supposedly to "check Iran and "keep ISIS from reconstitutingIf they're not a viable fighting force, then why did Trump say we're keeping troops in Syria indefinitely after saying we were going to withdraw?
-the condition for a new re-grouping of ISIS however are not condusive on the ground.
I'd explain it further, but you are too dense to understand how ISIS grew from AQI in the first place.
why I urge you to study more about insurgency / nationbuilding /counterinsurgency -the terms all have discreet meanings and understanding them means you understand what strategies are best deployed