> two countries that unprovokedly
It isn't unprovoked, Iran current regime has chanted "Death to America" since its founding. USA has plenty of reasons to attack here which is why you don't see more international outcry or support for Iran. Iran are on their own.
Seems the US and israel have been at least as unfriendly recently.
In any case, somebody chanting a thing isn't causus belli, nor is publicly wanting someone to die.
> why you don't see more international outcry or support for Iran
What you don't see is international support for the USA or israel's war on Iran, hence why the strait of hormuz is effectively closed right now.
> USA has plenty of reasons to attack
Yet none have been provided, remember the anthrax scam at the united nations? At least they put some efforts into it