The US war on Iran has significant effects beyond the Middle East, reshaping East Asia's hierarchy and markets' perceptions.

A month into the Iran war, Washington still says it expects to achieve its objectives in weeks, not months. That may prove optimistic. The terms on offer from the United States and Iran barely overlap, and markets remain unconvinced a durable settlement is close. But one fact is clear: the war’s most consequential effects may be felt not only in the Middle East but across East Asia. It would be a mistake to see this as only an oil story. It is also about hierarchy. In East Asia, the war is...