As renewed strikes by the US and Iran this week across the Middle East broke days of relative calm, questions about how this conflict ends — with a sustainable suspension of hostilities and resumption of free oil and gas flows — remain unresolved. Oman’s proposal this week for joint management with Iran of the Strait of Hormuz offers the strongest pointer. But other pathways exist: The crisis could yet evolve into a “frozen” conflict or wait for longer-term shifts in US or Iranian positions.