The international order America built after the Second World War was, for most of my life, simply the way things worked. I grew up inside it, believed in the values that underpinned it, and assumed it was durable enough to outlast any particular administration.

I’m watching that assumption come apart.

The country that designed and built that order is now systematically undermining it. Conditioning collective defense commitments on transactional terms. Threatening a NATO ally with military force over territorial ambitions in Greenland. Imposing tariffs on the nations it spent seventy-five years binding to itself. The system was still generating returns. I can’t see the strategic logic in dismantling it. Maybe there’s a strategy I’m not seeing from the outside. But the frameworks I grew up with — the ones that said the liberal order was self-reinforcing, that the returns from cooperation compound — aren’t explaining what I’m watching.

When the idealist lens stops working, you go to the realists. And the realist tradition’s sharpest thinker on international order — on what makes one stable and what breaks it — is Kissinger. Not the controversial statesman. The young academic, who studied how Europe rebuilt stability after Napoleon and developed a set of tools for diagnosing how international orders collapse.

In A World Restored, Kissinger developed the concept of the revolutionary power. A revolutionary power isn’t simply aggressive or expansionist. It’s a state that rejects the legitimacy of the existing international order itself: not specific outcomes within the order, but the framework within which outcomes are negotiated. Kissinger defined that legitimacy as “an international agreement about the nature of workable arrangements and the permissible aims and methods of foreign policy.” Status quo powers fight over specifics — borders, trade, spheres of influence — but they accept the rules of the game. A revolutionary power rejects the game.

The consequence is that classical diplomacy stops working. You can’t negotiate compromise with an actor that doesn’t accept the framework within which compromise happens. What looks like negotiation becomes theater. Napoleon attended congresses, signed treaties, made pledges — all while working to overturn the order those diplomatic forms depended on. And the status quo powers kept falling into what Kissinger identified as the characteristic error: they interpreted revolutionary behavior as extreme bargaining. Surely he wanted something that could be conceded. Surely there was a deal to be made. By the time they accepted that the system itself was the target, the strategic situation had shifted beyond recovery.

It’s uncomfortable to read this framework in 2026, because the country it fits is the one Kissinger spent his career serving.

America didn’t just participate in the postwar order. It designed the architecture. And by any standard of realpolitik, the design was brilliant. It was structural influence at extraordinary scale: a system where other nations pursuing their own interests naturally reinforced American primacy. Europe rebuilding under the Marshall Plan strengthened American export markets. NATO allies investing in collective defense extended American power projection at shared cost. Trade partners integrating into dollar-denominated supply chains deepened dependencies that served American strategic interests. The system didn’t require coercion. Self-interest was sufficient. That’s what made it so effective and so difficult for any rival to replicate. What’s being discarded now isn’t idealism. It’s the most effective form of realism America ever practiced.

What’s being discarded now isn’t idealism. It’s the most effective form of realism America ever practiced.

Consider Article 5. NATO’s collective defense clause is among the most consequential commitments in modern geopolitics. Its power lies in its unconditional nature: an attack on one is an attack on all, without qualification. That simplicity forces any potential adversary to calculate against the full weight of the alliance. There is no scenario where you attack a Baltic state and only fight that Baltic state. The calculus is overwhelming, and it is designed to be.

When the alliance’s largest member begins conditioning that commitment — signaling that defense guarantees are transactional, that solidarity has a price tag — two things change simultaneously. Adversaries recalculate: if the commitment is conditional, you can test where the conditions break. Probe. Escalate incrementally. See what triggers a response and what doesn’t. And allies recalculate: if the guarantee is no longer reliable, you hedge. You build alternative arrangements. You pursue security interests that may run directly counter to American ones, because you now must put your own survival first.

The system was built so that allied self-interest reinforced American primacy. Condition the commitment, and allies still pursue their self-interest — just no longer in alignment with yours.

What’s being exchanged, across all these provocations, is structural influence for transactional leverage. Leverage extracts concessions in the moment: a better trade deal, a spending commitment. Influence shapes how other nations calculate their interests over decades. The postwar order was influence at a scale rarely achieved in history — a network where every participant, pursuing their own advantage, increased the value of the network for everyone. Especially for America.

Metcalfe’s Law — the principle that a network’s value scales with the square of its connections — clarifies why this exchange is so lopsided. Add a node, and you don’t just gain one relationship. You gain its connections to every existing node. America’s postwar alliance network had exactly this property. Each new partner, each new institutional tie, increased the value of every existing one. Transactional leverage operates on individual connections: pressure one ally, extract a concession from one partner. The gains are linear. But every connection you damage degrades the network, and that degradation is quadratic. You’re extracting linear value while destroying quadratic value.

The question this raises is whether America now meets Kissinger’s own definition of a revolutionary power.

My intuition says yes. Threatening allies with military force, conditioning collective defense, weaponizing trade against the nations that anchor your own strategic network — these aren’t adjustments within the system. They feel like rejections of the system’s premises.

But when I try to assess this dispassionately, the line isn’t clearly crossed. NATO still exists. Article 5 hasn’t been revoked. The institutions are strained but standing. America is testing the boundaries of Kissinger’s framework without unambiguously stepping over them.

And Kissinger’s framework predicts exactly this uncertainty. The adjustment trap isn’t about obvious, undeniable acts. It’s about the ambiguity functioning as cover. Status quo powers wait for definitive proof because accepting the alternative is psychologically overwhelming. “They haven’t actually left NATO.” “The alliance is still technically intact.” These are the reassurances that status quo powers always reach for. By the time the evidence is unambiguous, the strategic position has already shifted irreversibly.

I don’t know whether America has crossed the line. But I suspect the question matters less than it appears. The fact that it’s now reasonable to ask — seriously, without irony — whether the Western alliance’s most powerful member is a revolutionary power has already changed the strategic landscape. Allies are hedging. Adversaries are probing. The uncertainty itself is doing most of the work that a formal break would do.

What may matter most is the irreversibility.

The world has now seen that American commitments are contingent on electoral outcomes in a way nobody previously had to price in. The constitutional checks that were assumed to prevent this kind of shift couldn’t contain it. The credibility that allies treated as institutional turned out to be personal: dependent on the continuity of a specific domestic political consensus, not on the structural properties of the system itself.

This is revealed information, and it can’t be un-seen. A future administration can be reliable. It can’t make the world forget that reliability is contingent. Every American commitment now carries an asterisk. In Kissinger’s framework, the legitimacy of an order depends on being perceived as durable — not dependent on whoever holds power at a given moment. That perception has been permanently altered.

Influence, once liquidated, is not available for repurchase.

I grew up assuming that the network America built was self-reinforcing — that the compounding returns from structural influence would be too valuable for any rational actor to discard. That assumption is being tested by the country that built the network. Whether America has become a revolutionary power in Kissinger’s precise sense, or merely an aggressive status quo power testing the limits of its own creation — that distinction matters enormously in theory. In practice, the nations that built their security on the assumption of American constancy are already recalculating as though the answer is clear.

The question of what they do next is the more urgent one.