Fear of war could have been another motivator, I suppose. But I suspect that Iran is well aware of how unpopular such a war is likely to be in the U.S. So, yeah

Fear of war could have been another motivator, I suppose. But I suspect that Iran is well aware of how unpopular such a war is likely to be in the U.S. So, yeah, I agree that it's probably the sanctions more than anything else.