Start with the Strait of Hormuz, closed since March by Iranian drones, missiles, mines, and small boats. Tanker traffic is down more than 90 percent. The IEA calls it the largest supply disruption the oil market has ever seen. Brent crude touched $108 on 24 September. On 22 September Iran offered Washington a written road map — a 60-day ceasefire, phased reopening, end of the naval blockade — and Washington rejected it. The president reportedly expects to resume bombing after the November midterms. The detour through the Red Sea's Bab al-Mandab is itself compromised: Houthi forces seized a key Yemeni port this month. The closure radiates outward along three vectors simultaneously. First, fuel. US diesel passed $6 a gallon for the first time on 10 September. Ukrainian drone strikes have hit Russian refineries roughly 70 times this year, pushing refining output to a two-decade low; Moscow has restricted fuel exports. In France, 15 percent of stations ran dry on 20 September — not from a shortage but from a TotalEnergies price cap at €1.99 per litre that turned a pricing shock into a logistics collapse. A cushion with no slack behind it became empty pumps. The Breakwave Tanker Shipping ETF is up 2,300 percent for the year. Supertanker day rates hit $860,000 on 10 September, up from under $100,000 pre-war. The same chokepoint that empties a granary fills a brokerage account. Second, food. Hormuz normally carries up to 30 percent of internationally traded fertiliser. The FAO warns of tightened food supplies through late 2026 into 2027. The damage is time-lagged: fertiliser that arrives late cannot recover lost yield, and grain planted before the disruption masks the shortfall until the smaller harvests come in. Europe's potato belt tells the story cleanly. Last year's glut drove growers to plant 14 percent less. Then five heatwaves and a drought hit. The expected harvest is down 25 percent; Belgian processing-potato prices went from €10 to €150 a tonne in days. Paris milling wheat is up 28 percent since January, maize up 36 percent. The WFP estimates sustained high oil prices could push 45 million more people into acute food insecurity, on a baseline where 2025 saw the first two confirmed famines in the history of the Global Report on Food Crises. Third, heating. After 2022, Europe replaced Russian pipeline gas with LNG bought on the global spot market, leaning heavily on Qatar, which ships close to a fifth of the world's LNG through Hormuz. QatarEnergy declared force majeure in March. Drone damage at Ras Laffan has taken about 17 percent of capacity offline, with repairs estimated at three to five years. In August roughly one Qatari cargo made it through, against a pre-war flow of some 6.5 million tonnes a month. EU gas storage sits at 67 percent of capacity in mid-September — a record low for the date — against a 90-percent target. Germany is at 56 percent. Summer heat drove up cooling demand while forcing nuclear curtailments and wind generation was weak. Poland is the case study for the entire European dependency architecture. After 2022 it stopped buying Russian crude and made Saudi Aramco, at about 40 percent, the main supplier to Orlen, the state-controlled refiner. That oil reached Poland via a 1,200-kilometre pipeline across the Arabian desert to the Red Sea — not through Hormuz, but through the next chokepoint over. On 10 September drones shut that pipeline. Aramco cancelled late-September cargoes and told European buyers to expect none in October. Orlen is buying spot from Norway, Britain, Algeria, Kazakhstan, Azerbaijan, and the Americas; a new Equinor deal covers up to a quarter of refining capacity. But pump prices starting with a nine — 9 zloty per litre — are now within reach. Poland is the EU's most food-self-sufficient country by Credit Agricole's count, covering its own needs in seven of nine food groups. It grows roughly a fifth more grain than it uses. It still cannot insulate itself, because self-sufficiency is measured in tonnes while prices are set on the Paris exchange with a three-to-seven-day lag. When the world pays more, Polish grain can simply leave, and the domestic price must follow. The Orlen Venezuelan crude debacle is the institutional footnote that completes the picture. In November 2023, Orlen's Swiss trading arm wired a $230 million advance to a Dubai intermediary for six million barrels of cheap Venezuelan crude — no collateral, no bank guarantee. Most of the money was converted to Tether on USB sticks and handed to brokers in Caracas hotels. One cargo worth $29 million arrived. Chartered tankers waited off Venezuela for months at $72 million cost. Total state loss: about 1.6 billion zloty ($424 million). Three former managers face charges and up to 25 years. The lesson: when you are buying on the spot market under pressure, the counterparty risk does not shrink — it metastasizes. The thesis is structural, not melodramatic. For thirty years, Europe swapped buffers for dependencies because a supplier is cheaper than a stockpile and a guarantee is cheaper than an army. When a dependency failed, the response was not to rebuild the buffer but to find another dependency. Each swap worked for as long as the thing at the other end was there. In 2026, several of those things were tested together. The result is not collapse but the discovery that the system has no give. A price cap becomes empty pumps. Self-sufficiency in tonnes becomes vulnerability in prices. A pipeline that avoided Hormuz ran through the next chokepoint. The question is not whether the strait reopens. The question is whether, when it does, anyone rebuilds the buffers — or simply finds the next dependency.