How Wars Really End
Why Governance, Not Firepower, Decides the Peace
Wars do not end when the shooting stops. They end when the governance systems created or consolidated during the fighting become capable of holding the outcome without continuous external military enforcement.
The wars in Iran and Ukraine illustrate this distinction in opposite ways. In a May essay in Foreign Affairs, Gideon Rose argues that the war in Iran has the structure of Vietnam and the war in Ukraine that of Korea, and that because structures constrain policymakers’ choices, we can predict how each will end. Iran will produce an unstable compromise, while Ukraine will produce a durable armistice along the current battle lines. These predictions may well prove correct. But the analogy that generates them cannot explain why one outcome holds and the other collapses.
Why did the Vietnam settlement collapse in two years while the Korean armistice has held for over seven decades? Why do some war endings stick and others dissolve the moment the stronger party looks away? The conventional answer points to military balance, diplomatic will, and the presence or absence of enforcement mechanisms. These factors matter, but they do not fully explain durability.
The missing variable is governance architecture. Where governance systems on either side of a settlement line stabilize into self-reinforcing structures, the outcome can endure independent of continued military commitment. Where that architecture remains contested or unconsolidated, the agreement remains a pause dependent on outside enforcement. Understanding this dynamic is not an academic exercise. It is the most operationally relevant question facing American policymakers as they negotiate the termination of two wars simultaneously.
THE ARCHITECTURE OF DURABLE ENDINGS
The Korean War armistice signed in July 1953 created a demarcation line that has survived longer than many nation-states. The conventional explanation credits the intensity of the fighting, the vigilance of border defense, and the ongoing presence of American forces on the peninsula. These explanations are not wrong, but they describe the mechanisms that preserve the division more readily than the structure that made it durable.
What made the Korean settlement hold was the rapid consolidation of two fully distinct governance architectures on either side of the 38th parallel. In the South, an American-supported administrative system organized economic activity, legal authority, property rights, education, currency, and civil governance along one set of institutional principles. In the North, a Soviet and then Chinese-supported system organized the same functions along entirely different principles. Within years of the armistice, the two systems had diverged so completely that reintegration became structurally impossible without dismantling one governance order and rebuilding it from scratch. The line held not because soldiers patrolled it, though they did, but because the administrative reality on each side had hardened into something that could not be reversed by force alone.
The Vietnam settlement tells the opposite story. The 1973 Paris Peace Accords allowed the United States to withdraw and recover its prisoners of war. The agreement’s fine print permitted communist forces to remain in place in the portions of the South they controlled. Within two years, Saigon fell. The standard account attributes the collapse to congressional restrictions on renewed American involvement and the military momentum of the North. Both are true. But the deeper cause was that the governance architecture in South Vietnam had never been consolidated. The administrative terrain was contested from the inside for the entire duration of American involvement. Communist shadow governments collected taxes, administered justice, and controlled village-level authority across large sections of the countryside. Competing systems of land tenure, local security, and civil administration meant that the Saigon government’s writ was largely theatrical in many of the areas it nominally governed. The settlement rested on external military commitment rather than internal structural reality. When the external commitment was withdrawn, there was nothing underneath it.
The difference between Korea and Vietnam was not primarily military. It was administrative. One settlement rested on hardened governance architecture. The other rested on a governance vacuum that military force had papered over but never filled. The agreements recorded the outcomes. The administrative realities determined which one endured.
IRAN: GOVERNING THROUGH THE RUBBLE
The war against Iran was launched on the assumption that a powerful decapitation strike would topple the regime and resolve the nuclear question permanently. The strikes destroyed much of Iran’s conventional military capacity and killed the Supreme Leader. The regime continued to function. The institutional depth of the Iranian state was well understood by American intelligence. Political decision-making discounted that assessment in favor of the belief that leadership elimination would produce systemic collapse. The error was analytical: the prevailing framework made Iranian power legible as a target set of leaders, facilities, and military assets, while leaving the governance architecture underneath invisible as an operative variable.
The Islamic Revolutionary Guard Corps operates as a parallel administrative system. It governs economic activity, manages commercial enterprises, controls territorial security, administers social services, and runs regulatory functions independent of the formal state bureaucracy. The IRGC’s governance architecture persists on its own internal logic, resource flows, and administrative continuity, independent of any individual leader. When Khamenei was killed and his son succeeded him, the system absorbed the shock because the governance infrastructure was the architecture itself, built to outlast whoever occupied the top position.
Iran’s response to the strikes reinforced this point in a different register. Beyond kinetic retaliation, the IRGC established a toll system in the Strait of Hormuz that required vessels to submit documentation and pay fees for passage. It laid mines, deployed drones, and targeted ships, but the weapons served a governance operation that produced the strategic effect: the disruption of maritime insurance markets, the rerouting of global shipping, and the imposition of regulatory control over a waterway that carries a significant share of the world’s energy trade.
Iran fought on administrative terrain while the United States fought on kinetic terrain.
The toll system, the documentation requirements, and the insurance disruption were governance instruments—and remain illustrative of governance leverage. They impose costs, constrain behavior, and reshape commercial activity through administrative architecture rather than through sustained military force.
This asymmetry is precisely why the Vietnam analogy holds for Iran, and the governance dynamics point toward an unstable settlement. Diplomatic efforts have focused primarily on the kinetic dimension of the conflict: the status of the strait, cease-fire terms, and the future of the nuclear program. The governance competition underneath remains largely outside the frame.
Iran’s administrative architecture survived the decapitation strikes intact. The IRGC’s parallel governance system remains operational. The toll system demonstrated that Iran can impose costs on the global economy through governance instruments that operate independently of the conventional military capacity the strikes destroyed.
A settlement that resolves the military confrontation without altering the governance architecture that produced Iran’s strategic resilience would reproduce the structural weakness of the Paris Accords: an agreement that stops the fighting while leaving the conditions for future instability unresolved.
UKRAINE: ADMINISTRATIVE FACTS ON THE GROUND
Ukraine presents the inverse case. Russia’s military campaign has stalled along relatively fixed battle lines after years of grinding attrition. The conventional expectation is that exhaustion will eventually produce a frozen conflict along the current line of contact, and that the armistice, once achieved, will prove more durable than most observers expect. The Korea analogy suggests this outcome, and the Korea analogy is likely correct. The mechanism, though, is governance architecture, operating beneath exhaustion and military vigilance.
In the territories Russia occupies, a systematic administrative integration campaign has been underway since the earliest months of the war. Russian passports have replaced Ukrainian documents. The ruble has replaced the hryvnia. School curricula have been rewritten. The legal system has been overhauled. Property has been seized and redistributed. Local governance structures have been rebuilt along Russian administrative lines. Municipal services, pension systems, telecommunications infrastructure, and commercial regulation now operate through Russian institutional frameworks. The result goes beyond military occupation in the traditional sense. It is governance terrain capture. Russia is building administrative facts on the ground that make the occupied territories structurally integrated into the Russian governance system, regardless of what any future peace agreement says about sovereignty or borders.
The Korean mechanism is operating in real time. Exhaustion and border vigilance may contribute, but the settlement line in Ukraine will hold for a more fundamental reason: the governance architectures on each side will have diverged past the point of easy reintegration. A future Ukrainian government that recovered these territories through negotiation or force would inherit a population governed through Russian administrative infrastructure: Russian documents, Russian legal precedents, Russian property records, Russian pension obligations, Russian telecommunications networks. Reversing that integration would require dismantling one governance order and rebuilding another from scratch, the same structural challenge that has helped keep the Korean Peninsula divided for seven decades.
Russia appears to understand this. The speed and systematization of the administrative integration campaign suggest a deliberate strategy to make the territorial settlement self-enforcing through governance architecture rather than through continued military commitment. Every month the war continues under current conditions deepens the administrative split, lowering Moscow’s marginal cost of holding the territory over time and making any eventual settlement more likely to ratify the division rather than reverse it.
Whether Russian planners use the vocabulary of governance warfare is irrelevant. They are executing its logic.
WHAT WAR TERMINATION THEORY IS MISSING
The literature on war termination has focused historically on the conditions under which belligerents agree to stop fighting: the balance of military forces, the domestic political costs of continued conflict, the availability of face-saving diplomatic formulas, and the role of external mediators and guarantors. These are important variables. They explain when settlements become possible. They are less capable of explaining why some settlements become self-sustaining while others unravel once external pressure recedes.
The missing variable is the governance architecture that exists at the moment of settlement and the degree to which it has been deliberately shaped during the conflict itself. Military outcomes create the conditions for negotiation. Governance architecture determines whether the negotiated outcome becomes self-reinforcing or remains dependent on outside enforcement.
A settlement imposed on top of unconsolidated or contested governance terrain will require permanent external enforcement, and will fail when that enforcement is withdrawn. A settlement that ratifies an already-hardened governance division will hold on its own structural logic, independent of the military balance or the diplomatic commitments that produced it.
This has implications beyond Iran and Ukraine. Every war termination scenario involves an implicit bet on governance architecture, whether or not the policymakers involved recognize it. The question is never simply “how do we stop the fighting?” but rather, “what governance reality will exist on the ground when the fighting stops, and is that reality self-sustaining?”
When the answer is no, the settlement is a temporary pause. When the answer is yes, the settlement is an ending.
The cases suggest a pattern. The side that builds self-reinforcing administrative terrain during the fighting shapes the terms of the peace whether or not those terms are reflected in the formal agreement. The side that destroys the adversary’s military capacity without addressing the adversary’s governance architecture discovers, as the United States is discovering in Iran, that the strategic problem survives the military solution.
THE OPERATIONAL QUESTION
American policymakers are negotiating the endings of two wars simultaneously. In both cases, the conventional analytical framework is focused on the wrong variable. In Iran, the negotiation is centered on kinetic outcomes: the status of the strait, the nuclear program, the cease-fire terms. The governance architecture that makes Iran strategically resilient sits entirely outside the negotiation. In Ukraine, the negotiation is centered on territorial lines and security guarantees. The governance architecture that will determine whether the line holds is being constructed by Russia in real time, outside the negotiation, and largely uncontested.
The pattern that the analogy between these conflicts and their historical predecessors reveals goes beyond the observation that similar structures produce similar outcomes. The governance dimension of war termination has been invisible to American strategic planning across seven decades and four conflicts. In Korea, governance consolidation produced a durable result that American planners did not design. In Vietnam, governance fragmentation produced a collapse that American planners did not anticipate. In Iran and Ukraine, adversaries are treating governance architecture as a conscious instrument. For Washington, it remains an accidental variable.
If US negotiators continue to frame Iran’s war termination in kinetic and diplomatic terms alone, while the IRGC’s administrative architecture survives intact beneath the cease-fire, the settlement will rest on the same structural weakness as the Paris Accords. If Washington accepts Russian administrative integration in the occupied territories as a fait accompli, security guarantees and lines on maps will merely ratify a division Moscow has already built through governance.
Military campaigns determine where wars pause. Governance architecture determines whether the pause becomes an ending.
Until American strategy recognizes the difference, it will continue negotiating settlements on administrative terrain its adversaries have already reshaped.