Beyond the Concessions Debate

Much of the debate surrounding the US–Iran agreement has focused on a familiar question: who conceded more. Critics argue that Washington has granted meaningful relief and diplomatic engagement to a regime that continues to challenge US interests and those of its regional partners. Supporters counter that diplomacy should be evaluated not by ideological purity but by its capacity to reduce tensions, lower the risk of military confrontation, and create conditions for future engagement.

At the core of this debate is the Memorandum of Understanding (MoU), which represents an effort to establish a framework for managing specific areas of disagreement without resolving the broader strategic differences that have defined the US–Iran relationship for decades. While both perspectives highlight important considerations, they share a common limitation. They assess the agreement primarily through the lens of immediate concessions rather than its long-term strategic consequences.

More important than the distribution of immediate gains is whether the agreement modifies the strategic incentives that have shaped relations between Washington and Tehran for nearly fifty years. Diplomatic agreements rarely resolve deep geopolitical rivalries outright. More often, they seek to structure competition, mitigate uncertainty, and create mechanisms through which states can pursue their interests without resorting to escalation. The value of any agreement lies less in its text than in its ability to influence future behaviour. Of greatest significance is whether the agreement changes the calculations that have repeatedly pushed Washington and Tehran towards escalation, rather than whether it resolves the deeper disputes that separate them.

 The Limits of the Concessions Debate

Since the Iranian Revolution of 1979, recurring cycles of engagement, disappointment, and renewed hostility have characterised US–Iran relations. Diplomatic openings have periodically emerged, but domestic political pressures, disputes over implementation, and persistent mutual distrust have repeatedly undermined them. The experience of the 2015 Joint Comprehensive Plan of Action (JCPOA) is particularly instructive. Although the agreement succeeded in placing temporary constraints on Iran’s nuclear activities and reducing immediate tensions, its long-term viability proved vulnerable to political change in both countries. The challenges faced by the arrangement were not necessarily evidence that diplomacy had failed but a reminder that agreements require durable political incentives if they are to survive shifts in leadership and........

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