Sixty days – that was the window the June memorandum of understanding gave Washington and Tehran to turn a fragile lull into a lasting peace. The clock ran out on Monday, August 17, and instead of a deal, the two sides produced the opposite: a senior Iranian official told Reuters that Tehran would shift to a “fully offensive” military posture, while President Donald Trump publicly ruled out extending the interim agreement. What began in February as US and Israeli strikes on Iran, and briefly cooled in June into something resembling a managed conflict, is once again edging toward full-blown escalation – and this time the stakes for the global economy look even higher than in the war’s opening weeks.
A Dispute Over One Line in the Document
The formal trigger for the collapse was point 5 of the memorandum, covering control of the Strait of Hormuz – the narrow waterway through which roughly a fifth of the world’s oil and liquefied natural gas once flowed before the war. Iran insists the document hands it authority over shipping through the strait; Washington reads the same clause differently. That seemingly technical disagreement proved enough to unravel an accord that had declared the immediate and permanent end of military operations on every front: Iran began firing on vessels attempting to pass through Hormuz on unapproved routes, and Trump had already declared the deal “over” back on July 7.
Tellingly, the fight over the strait quickly outgrew the bilateral US-Iran relationship and pulled in a third party – Oman, which shares control of Hormuz with Tehran and has long been considered a US security partner in the region. Iran, according to available reporting, has been negotiating separately with Muscat over management of the strait and claims it is close to an agreement. Trump’s response to those talks – a threat to bomb Oman if it “gets in the way” – reveals just how unpredictable American posture has become even toward formal allies. Language like that aimed at a partner rather than an adversary is rare even for this administration, and it signals that Washington is willing to treat regional stability as a bargaining chip in its own standoff with Tehran.
Who’s Actually Negotiating
Alongside the public escalation, a quieter but potentially more consequential process is unfolding. According to media reports, the Trump administration has opened a back channel to the Islamic Revolutionary Guard Corps – a body that has grown considerably more powerful over the course of the war and controls large swaths of Iran’s armed forces and economy. The concern on the American side appears to be simple but fundamental: do Iran’s negotiators actually speak for the IRGC, or does real authority over military decisions sit elsewhere. Trump’s son-in-law and special envoy Jared Kushner, in a separate interview, confirmed that contact between the US government and various parts of the Iranian government is now, by his account, more extensive than it has perhaps ever been.
That thread matters. If Washington feels compelled to seek out a separate channel to the IRGC around the official Iranian delegation, it suggests that “Iran’s negotiating position” isn’t the single, unified thing it might appear to be from the outside. Diplomacy conducted simultaneously on two tracks – with Tehran’s formal representatives and with the power center standing behind them – makes it far harder for any agreement to hold on paper: a deal struck with one group risks not surviving the other’s objections.
The Cost of Escalation
Behind the diplomatic maneuvering sits a very material price tag. Iran entered the war already weakened – high inflation, a depreciating currency, energy shortages and sanctions had compounded into structural vulnerabilities before the first strikes ever landed. Now add damaged infrastructure, disrupted trade and lost production, and the war is compounding an existing crisis rather than replacing it. Iranian officials, according to sources, worry less about outright military defeat than about a fresh round of economic pressure reigniting domestic unrest and further eroding the Islamic Republic’s legitimacy.
But the conflict is no longer a purely foreign-policy story for the American side either. Benchmark Brent crude futures spiked to $126 a barrel at the height of the war – roughly 75% above pre-war levels – and while prices had eased to just under $91 by Monday, that still translates into gasoline above $4 a gallon for American drivers, up from under $3 before the war began. Trump himself has warned voters to brace for continued high fuel prices – a notable admission heading into November’s congressional midterms, when the war’s economic fallout will inevitably become part of the ballot-box conversation.
It’s this combination – an expired deadline, a dispute over control of a strategic waterway, an opaque internal power structure in Tehran, and mounting political costs back home in the US – that turns the current pause in negotiations into something other than a lull before peace. It looks more like a delay before the next, potentially more dangerous phase of the confrontation.
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