The United States is indeed little dependent on oil from the Persian Gulf. Especially after they seized control of the Venezuelan oil. There is also the issue of gas, which is much more acute for the world, but equally unimportant for the United States. However, the most important resource, the petrodollar, is under threat here. If a country has no choice but to switch from paying for oil in dollars to paying in another currency (for example, yuan), then this will happen. What if there are many such countries? This would be a disaster for the very foundation of the United States' power, the petrodollar. Trump sees this danger.
After all, the attack on Iran was aimed at strengthening the petrodollar's position through physical control of oil. And it led to the opposite result - the risks of an alternative oil-yuan system.Of course, Trump can even sacrifice the Gulf oil and retreat, but he cannot sacrifice the petrodollar. In the meantime, that's exactly the trend. The threat of the destruction of the petrodollar monopoly has never been so great.
I also just expressed my view on this conflict in another thread, and I agree that the main cause of this war is the threat to the dominance of the petrodollar. However, this is not just what Trump wants, I believe this is also what America want.
It could be said that this conflict is inevitable, regardless of who becomes president this term, not just Trump. Because once the petrodollar system weakens, it will directly threaten the US superpower status.
This isnt the first time the petrodollar has been threatened, but this time the situation seem more serious because their opponent is China. The world's 2largest economy, and supported by the BRICS.