They tried to destabilize the US (as well as Europe and the Middle East). See:
ClowardPiven strategy
https://en.wikipedia.org/wiki/Cloward%E2%80%93Piven_strategy
I believe the goal was the creation of the Caliphate and destruction of Israel was the immediate goal.
W/ref to post #3881 (Nate Cain)
Excellent interview (50min):
https://www.youtube.com/watch?v=iBAIff8X79c&feature=youtu.be