Iran-US Deal: Who Won and Why It May Not Hold

A Deal Wrapped in Contradictions

When diplomats from Washington and Tehran announced the framework of their agreement, both governments were quick to declare success. American officials pointed to concrete restrictions on Iran's nuclear program and a pathway to verifiable compliance, while Iranian leaders celebrated what they described as a recognition of their sovereign right to peaceful nuclear energy and the prospect of sanctions relief. In the world of high-stakes diplomacy, such mutual declarations of victory are not unusual — in fact, they are often a prerequisite for a deal to survive politically at home. But the deeper question is whether the substance beneath the rhetoric is strong enough to endure the inevitable pressures that will follow.

What Washington Gains

For the United States, the agreement represents a significant diplomatic achievement on multiple fronts. First and most importantly, it delays or potentially halts Iran's advance toward nuclear weapons capability. American intelligence assessments had increasingly warned that Tehran was approaching breakout capacity — the point at which it could enrich enough uranium for a weapon in a matter of weeks rather than months. A deal that rolls back centrifuge operations and restores International Atomic Energy Agency (IAEA) monitoring addresses that core security concern.

Second, the agreement gives the Biden administration — or whichever administration oversees its implementation — a tangible foreign policy success in a region that has generated little but costly entanglements for the United States over the past two decades. Stabilizing the Iran file, at least temporarily, reduces the risk of a wider regional conflict that could drag American forces back into the Middle East at a time when Washington is focused on strategic competition with China and the ongoing war in Ukraine.

Third, easing sanctions on Iranian oil could incrementally help ease global energy prices, a domestic political concern of no small significance given inflation pressures in Western economies. Even a marginal increase in Iranian oil supply entering global markets could have a moderating effect.

What Tehran Gains

Iran's gains are perhaps more immediately tangible. Sanctions relief — even partial — would provide the Iranian economy with desperately needed oxygen. Years of compounding sanctions have devastated the Iranian rial, driven inflation to punishing levels, and squeezed the middle class. Access to frozen assets and the ability to export more oil would allow the government to stabilize the economy and reduce domestic political pressure on the ruling clerical establishment.

Beyond economics, Iran gains something arguably more valuable: legitimacy. A negotiated agreement with the United States implicitly acknowledges Tehran as a serious regional power whose concerns must be addressed diplomatically rather than coerced militarily. For the Islamic Republic, which has long positioned itself as a revolutionary counterforce to American hegemony, being treated as a negotiating equal carries significant symbolic weight — both domestically and across the broader Muslim world.

Iran also preserves its regional influence network. The deal, as currently structured, does not appear to require Tehran to roll back its support for proxy forces in Yemen, Lebanon, Iraq, and Syria — a critical red line for Iranian leadership. This means that even as it makes concessions on the nuclear front, Iran retains its most powerful tools of regional leverage.

Historical Context: The Shadow of 2015

Any analysis of the current deal must reckon honestly with the precedent set by the 2015 Joint Comprehensive Plan of Action (JCPOA). That agreement, celebrated as a landmark achievement of multilateral diplomacy, collapsed in 2018 when President Donald Trump unilaterally withdrew the United States and reimposed sweeping sanctions. Iran responded by systematically exceeding the enrichment limits set by the accord, and by 2021, the situation was far more dangerous than it had been before the original deal.

That experience left deep scars on both sides. Iranian negotiators are acutely aware that any American commitment is only as durable as the next presidential election. American officials, for their part, must contend with a domestic political environment in which significant factions — particularly in the Republican Party — view any agreement with Iran as appeasement. The structural vulnerability of American foreign policy commitments to electoral cycles remains one of the most serious challenges to durable diplomacy.

Why Both Sides Could Struggle to Keep It

The obstacles to implementation are formidable. In Iran, hardline factions within the Revolutionary Guards and the clerical establishment have consistently opposed any accommodation with Washington, viewing negotiations as a dangerous concession to an implacable enemy. Supreme Leader Ali Khamenei has historically permitted negotiations while maintaining plausible deniability through strategic ambiguity — a posture that gives him room to abandon agreements when they become politically inconvenient.

On the American side, the deal will face intense scrutiny in Congress, where hawkish voices from both parties have long argued that diplomacy with Iran rewards bad behavior. Any new administration less committed to multilateral engagement could once again exit the agreement, as Trump did in 2018. This structural instability makes it extremely difficult for Iran to trust that compliance will be rewarded.

Regional dynamics compound the challenge. Israel has consistently opposed any agreement that leaves Iran's nuclear infrastructure intact, and Israeli military and intelligence services have a track record of taking unilateral action — including assassinations of Iranian nuclear scientists and suspected cyberattacks on nuclear facilities — to complicate diplomatic progress. Saudi Arabia and the Gulf states, while occasionally more accommodating of diplomacy, remain deeply suspicious of Iranian intentions and could use their considerable influence in Washington to undermine the deal's implementation.

The Road Ahead

Ultimately, the durability of this agreement will depend on whether both governments can insulate it from the centrifugal forces pulling against it. That will require not just political will at the leadership level, but the construction of institutional mechanisms robust enough to survive leadership changes, regional provocations, and the inevitable disputes over compliance that will arise. History suggests that is an extraordinarily difficult task. But the alternative — an Iran with nuclear weapons capability operating in an already volatile region — is a scenario that concentrates minds on both sides of the negotiating table.