THE Islamabad Memorandum of Understanding (MoU) between Iran and the United States, hailed as a tentative step toward de-escalation, is already beset with formidable challenges. While the document symbolizes a rare moment of diplomatic engagement after years of hostility, its fragility reflects deep mistrust, divergent priorities and external spoilers that have historically undermined similar accords. To grasp the hurdles confronting this MoU, one must situate it within the broader tapestry of peace agreements across history, from Westphalia to Camp David and recognize the unique complexities of the Iran–US relationship. The June 2026 MoU reflects a ceasefire and the lifting of the US naval blockade, but the next sixty days are fraught with unresolved issues: sanctions relief, nuclear negotiations, maritime security in the Strait of Hormuz and the role of Israel and regional actors. Iran seeks sovereignty and economic breathing space, while Washington frames the deal as containment and leverage.

At the heart of the MoU lies a clash of visions. Iran demands recognition of sovereignty, immediate sanctions relief and reopening of the Strait of Hormuz to restore economic lifelines. Its delegation, backed by the Supreme National Security Council, insists the ceasefire must yield tangible concessions, projecting seriousness and autonomy. Washington, by contrast, remains tethered to domestic politics and external pressures, particularly Israeli concerns. The US frames the MoU as a temporary halt to hostilities, prioritizing curbs on Iran’s nuclear program, missile........

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