US sees China as it’s main rival, Russia as Europes headache. Iran, Venezuela, Nkorea, cuba as minor annoyances that support China.

Worst case Denies China cheap oil imports for a while when both Iran and Russia are too weak to do anything. Also denies Russia some war materials. Best case scenario the protests reignite and replaces the regime with something less US hostile.

US sees Israel as the most reliable ally in the region, because all their neighbours hate them and they must stick with the US. A strong Israel lets US dictate much of what goes on in the middle east.