Even a new nuclear deal between the United States and Iran is unlikely to impact Iran’s broader strategic position in the Middle East.

Each renewed diplomatic approach between the United States and Iran toward a negotiated grand understanding revives a fundamental question that has remained unresolved for years: whether such an agreement can produce a substantive change in Iran’s regional conduct, or merely a temporary cessation that defers conflict into the future and hands the Islamic Republic an interval in which to reconfigure and recover its strategic posture and capabilities. This question cannot be reduced to the technical parameters of enrichment thresholds or sanctions-relief sequencing. It bears directly on the trajectory of the regional order—and on the character of the power that will structure its equilibrium over the coming decade.

Proponents of a “grand bargain” with Iran advance an internally coherent thesis. Their argument proceeds from the premise that protracted sanctions and cumulative economic pressure have substantially weakened the Iranian economy, and that reintegration into the global economic system would incentivize Tehran to prioritize development over confrontation. By this reasoning, a state afforded access to investment, trade, and international finance would be less disposed toward military risk-taking and more oriented toward domestic welfare and internal stability. In essence, the pro-negotiations position rests on the assumption that economic interests will recalibrate political calculation, and that the regime will favor prosperity over adventurism where the opportunity permits. 

The most tangible benefit of an agreement concerns access to Iranian assets frozen abroad. For an extended period, US and international sanctions have constrained Tehran’s access to substantial reserves held in foreign financial institutions. Sanctions relief, or the partial release of these assets, would provide meaningful fiscal latitude to the Islamic Republic at a juncture characterized by inflation, currency depreciation, and rising living costs. 

The significance of these funds, however, lies not solely in their magnitude but in their political signaling function. The release of frozen assets signals that a new phase has begun in the US-Iran relationship and that the “maximum pressure” framework that has governed bilateral relations in recent years has been set aside in favor of engagement.

The 2015 nuclear agreement offers an instructive precedent in this regard. The Obama administration advanced the proposition that the accord would empower moderate actors within the regime and that emergent economic interests would compel a reordering of regime priorities. The empirical record diverged considerably from this expectation. Tehran acquired economic and political latitude, but this did not translate into domestic liberalization or a contraction of its regional project. 

On the contrary, the period witnessed an expansion of the Islamic Revolutionary Guard Corps Quds Force influence and the consolidation of Iranian-aligned actors across the region. The available resources, in other words, were directed toward augmenting the instruments of influence rather than moderating them—an outcome that places the original premise in serious doubt.

This points to the central analytical difficulty in evaluating Iranian conduct. A considerable body of Western and Arab analysis has framed the nuclear file as the source of the friction between the United States and Iran. In truth, however, this tension is better understood as an expression of a broader, more deeply rooted strategic project. Iranian influence extending across Iraq, Syria, Lebanon, and Yemen neither originated in nor derived from Iran’s nuclear program. It reflects Tehran’s entrenched political doctrine, holding that Iranian security and influence are secured not within territorial borders but through transnational alliance networks that penetrate the regional environment and tip the regional balance in Iran’s favor. 

From this view, the suspension of enrichment or the easing of sanctions does not necessarily entail a wholesale transformation in the substance of Iranian strategy. Accordingly, a narrow agreement with Iran may contain a particular crisis, but is unlikely to resolve the more consequential question: whether the regime’s conception of its regional role has changed, or whether only its instruments are subject to negotiation while its essential orientation remains constant.

Advocates of the present negotiation with the Trump administration contend that contemporary Iran differs materially from the Iran of 2015. Its allied networks have sustained significant losses, international sanctions have depleted its resources, and the regional distribution of power has shifted appreciably. Accordingly, the argument goes, Iran’s leadership will be constrained to prioritize domestic consolidation over external expansion, and will be willing to compromise on foreign policy priorities to rebuild strength and fend off internal challenges. 

This was the crux of Secretary of State Marco Rubio’s testimony before the US Congress in early June, in which he justified the war on the basis that it had brought Iran to the negotiating table: “There is the prospect before us…that for the first time, certainly in my memory, they have agreed to negotiate aspects of their nuclear program that just a month ago…they were refusing to even mention, much less enter into discussions about.”

This argument, however, understates an important structural consideration: regimes seldom relinquish the doctrines that constitute their foundational legitimacy. If two decades of substantial military and economic pressure did not induce a revision of Iran’s political philosophy, it is analytically tenuous to assume that an inflow of resources would, on its own, generate such a transformation. Indeed, the historical evidence strongly suggests the contrary. 

Regimes operating under a perceived security threat tend to allocate new resources first toward the reinforcement of coercive and protective capabilities, deferring economic reform and political opening. A condition of perceived encirclement tends to elicit an instinct toward fortification rather than liberalization, rendering any expectation of spontaneous transformation methodologically precarious. 

The assumption that released funds will be directed toward domestic welfare therefore remains unsupported. The leadership’s priorities may instead remain oriented toward defensive and security capacity, particularly given a persistent conviction that confrontation with regional and international adversaries has not been foreclosed. This indicates a fundamental distinction between what external actors anticipate Iran will do with its resources and what its security calculus actually prescribes—a divergence that has consistently undermined prior assessments. 

These observations do not necessarily mean that an agreement between Washington and Tehran is without value or warrants rejection at the outset. De-escalation retains its importance; the prevention of military escalation is a legitimate and broadly shared regional objective, and sustained conflict serves no actor’s long-term interest.

The analytical error lies in the supposition that an agreement can, in itself, alter the nature of the Islamic Republic or reconstitute its strategic doctrine. Agreements function as instruments for the management of conflict rather than its resolution; they may defer confrontation without addressing its underlying causes, and may regulate a crisis without redefining the project that generated it. Therefore, the pertinent question is not whether the agreement will succeed—a matter contingent on negotiating leverage and situational calculation—but whether it will produce a genuine modification of Iran’s regional conduct, or merely provide temporary latitude and additional resources for the reconstitution of the very capabilities that prompted concern. 

Between these two outcomes—substantive transformation or provisional realignment—the configuration of the Middle East over the coming years will be determined. The answer will derive not from the text of the agreement, but from the conduct that follows it, the disposition of new resources, and the choices the leadership makes when confronted with the alternative of development or influence.

About the Author: Khalid Al-Jaber

Dr. Khalid Al-Jaber serves as the executive director of the Middle East Council on Global Affairs in Doha. A leading researcher and academic, he is widely recognized for his expertise in international relations, political communication, and the dynamics of the Middle East and North Africa (MENA) region.

The post When the Iran War Ends, Iran’s Terrorist Project Will Endure appeared first on The National Interest.