Iran and the US
The region's security architecture depends tremendously on an external underwriter. In this case, the United States to provide that security. It's something that many of the Gulf states have not been happy with relying upon, even though they don't want to replace the United States per se or eject it in that regard, but they need to have some sort of system in place that allows them to be more resilient without that external support. And they've been trying to do that over recent years because they simply don't regard the United States as incredibly reliable."
