Iran War's Real Winner Could Be Europe

Why the Iran War May Reshape Global Power

EU defense spending surpassed 2% of GDP across multiple member states for the first time since the Cold War — not because the alliance suddenly found fiscal discipline, but because anxiety about superpower reliability had become structurally impossible to ignore. That anxiety has now sharpened into something more acute. The war in Iran has done what analysts spent a decade predicting but few believed would arrive so quickly: it has visibly diminished both American and Chinese strategic capacity at the same moment.

When the two dominant powers of the contemporary order find themselves simultaneously strained — one by the compounding costs of intervention, the other by the diplomatic fallout of miscalculated hedging — the global order does not simply pause. It reorganizes. The Iran war Europe opportunity emerging from that reorganization may be the most consequential geopolitical opening this continent has seen since the Cold War ended.

The Costs of Conflict for Washington and Beijing

The war exposed the ceiling of American strategic influence in ways that no simulation quite rendered in advance. Washington entered the conflict already overextended — managing commitments across the Indo-Pacific, sustaining support for Ukraine, and navigating the persistent pressure of the Taiwan Strait. The Iran campaign added logistical strain, domestic polarization, and a significant draw on political capital to an already loaded ledger. The European Council on Foreign Relations (ECFR) has long documented the embedded fragility of U.S. "hub-and-spokes" alliance management; the Iran conflict made that fragility impossible to paper over.

China's position is no less complicated. Beijing had spent years positioning itself as Tehran's indispensable economic partner and a credible alternative pole of regional order — work that seemed to culminate in its brokering of the Saudi-Iran normalization in 2023. The conflict punctured those narratives. Chinese influence proved shallower than the optics suggested: effective at trade corridors and diplomatic photo opportunities, far less so when hard strategic reality asserted itself. Brookings Institution scholars have tracked the widening distance between Chinese diplomatic ambition and deliverable hard power; the Iran war has widened that gap further.

Both powers are absorbing costs. Neither emerges with uncontested authority.

A More Dangerous World in the Vacuum Left Behind

Power vacuums are not stable places. History confirms this with grim consistency. The exhaustion of European empires after WWI produced not a settled peace but the preconditions for a second, more destructive war. The Soviet collapse looked briefly like a unipolar moment of managed order — but also generated cascading failed states, ethnic conflicts, and ungoverned spaces that still burden security planners thirty years on.

The current configuration carries comparable dangers. When dominant powers overextend and partially retreat, regional actors fill the space — often faster and less predictably than anyone models in advance. The Middle East faces an uncertain post-conflict equilibrium. Critical maritime chokepoints remain fragile. Nuclear proliferation pressures, already elevated before the war began, have intensified across multiple theaters. The global south is watching superpower stumbles with a volatile mix of opportunism and genuine alarm.

This is not a comfortable backdrop. But in modern European history, discomfort has repeatedly preceded reinvention.

Europe's Rare Window to Redefine Its Global Role

Twice in the last century, European integration accelerated in the wake of superpower distraction or exhaustion. The Treaty of Rome emerged partly from the Suez debacle of 1956, which discredited unilateral British and French action so thoroughly that collective European frameworks suddenly gained political traction. The post-Cold War decade, despite its disorder, produced Maastricht, the euro, and the enlargement that extended the EU's democratic orbit deep into Central and Eastern Europe.

The Iran war Europe opportunity echoes both of those moments. American strategic bandwidth is constrained. China's soft-power narrative in key Global South markets has absorbed a credibility blow. Europe, by contrast, has spent the past four years — since Russia's full-scale invasion of Ukraine in 2022 — rebuilding defense capacity, reforming procurement coordination, and debating strategic autonomy with a seriousness absent for a generation.

The underlying numbers provide the foundation. EU member states collectively represent roughly 14% of global GDP — the world's largest single market. NATO's European members now collectively exceed $380 billion in annual defense spending. The EU's European Defence Fund and the joint procurement frameworks under the European Defence Agency represent institutional architecture that did not meaningfully exist fifteen years ago. And Europe retains something both Washington and Beijing have partially squandered: diplomatic legitimacy. The EU remains the world's largest development aid donor. Its regulatory standards — the Brussels Effect — shape global product, environmental, and data norms from Lagos to Jakarta. These are durable structural levers that persist across military cycles.

What Europe Must Do to Seize the Opportunity

None of this converts automatically into influence. Opportunity without institutional reform produces frustration, not power. Three requirements stand out with particular urgency.

First, Europe must consolidate its foreign policy voice. The gap between European economic weight and European geopolitical coherence has been a fixture of academic critique for three decades. The ECFR has repeatedly documented how internal divergence — between hawkish eastern members and historically cautious western ones, between committed Atlanticists and advocates of genuine strategic autonomy — dilutes the bloc's capacity to act. Governance reform, including qualified majority voting in foreign policy domains where unanimity has functioned as a veto on relevance, is no longer optional.

Second, Europe must build relationships with the Global South on terms beyond the transactional. Both the United States and China have framed their engagement with developing nations through a competitive lens. Europe's comparative advantage is a rules-based, multilateral approach — one that, if applied consistently and without condescension, speaks to countries exhausted by superpower binary choices. That requires sustained diplomatic investment, not emergency attention deployed only when a crisis demands it.

Third, European defense integration must move from aspiration to architecture. The political will exists in a form not seen since the 1990s. The institutional frameworks are partially constructed. What remains is the difficult work of capability coordination, joint procurement, and strategic doctrine — work that demands leadership willing to absorb short-term sovereignty costs for long-term collective strength.

Opinion: The Unexpected Beneficiary of the Iran War

The Iran war was not designed with European interests in mind. No one in Brussels, Berlin, or Paris drafted a scenario in which simultaneous American and Chinese strain would clear the space Europe needed. History rarely distributes its openings according to merit or intention.

But openings arrive independent of design. The post-WWI moment created conditions for European integration that no planner had foreseen. The Soviet collapse created enlargement possibilities that seemed unimaginable in 1988. The question is never simply whether a moment materializes. It is whether institutions and political will are present to meet it when it does.

Right now, for the first time in decades, European strategic autonomy is more than a conference slogan. The Iran war Europe opportunity is real — but it is also finite. Overextended powers recover. Vacuums fill. The window that simultaneous superpower strain has opened will not remain open indefinitely.

Europe's task is not to watch the conflict resolve and then recalibrate. It is to build the governance, the defense architecture, and the diplomatic credibility that convert a moment of others' exhaustion into durable European strength. History rewards those who recognize contingency and move. It has never had much patience for those who simply observe it pass.

Source: Project Syndicate