Sarah Paine – How Hitler almost starved Britain

Summary

• Geography, not intent, is the binding constraint on China and Russia: both sit behind narrow seas that “become kill zones in wartime,” and Ukraine has shown “you don’t even need a navy to stop a navy in narrow seas” — drones, shore ordnance and planes helped force Russia to move its naval base from Sevastopol to Novorossiysk. Sarah’s warning that Hitler scrapped his useless surface fleet is aimed squarely forward: “It’s something countries like China, surrounded by narrow seas, ought to think about.”
• A Taiwan war destroys the chip foundry everyone cares about: “That lovely chip foundry that everyone cares about, I imagine would be the first casualty of that war. That will be blown and be gone.” China may take the island but “may have to leave it as glowing embers” — and the Western response isn’t blockade but sanctions that don’t need to be leak-proof: knocking 1–2pp off Chinese growth stretches the economy’s doubling time from ~25 to ~75 years, “the difference between North and South Korea.”
• Dwarkesh’s core pushback — worth trading on: WWII outcomes reduce to industrial tonnage (Allies had 3–5x Axis output; US merchant hull construction rose 4x then doubled again), and today China holds the US’s old position in shipbuilding, manufacturing and trade volume. Sarah’s rebuttal is the “game of takeaway”: remove cryptography, radar, escort carriers or alliance coordination and the Battle of the Atlantic turns out differently — monocausal explanations are “right that their one cause is really important,” but blind.
• The Atlantic was won by a package, and it was touch and go: Germany sank 850,000 tons in the first Happy Time, a fourth Enigma rotor blinded Britain for most of 1942, and Admiral King’s refusal to convoy cost over a million tons in three months off the US East Coast — before radar, hedgehogs and escort carriers “transform commerce raiding into a low-life expectancy profession” (41 U-boats lost in May 1943 alone).
• Alliance risk is the live variable: Churchill’s line — the only thing worse than fighting with allies is fighting without them — plus Sarah’s present-day rule: never make the US the primary enemy of both Xi and Putin simultaneously (today it’s Taiwan for Xi, Ukraine for Putin). “If we blow our alliance system, we’re going to be dealing with China alone. That won’t go well,” and “gutting the State Department… is profoundly dangerous.”
• Dictators don’t de-risk, they double down: “Putin is not going to back down in Ukraine… Then if he wins there, he’s going to then go after the Baltic States.” And Putin’s real strategic problem isn’t NATO but China — Tsarist Russia took lands China “might feel deeply about,” and Lake Baikal holds 20% of the world’s surface fresh water while China blows through its North China water table.
• Judge strategy by objectives, not hindsight: had Hitler stopped after Austria and the Sudetenland, “he’d be called Bismarck II, a genius” — blunders are labeled ex post (“a lot of people get away with really risky things and then you say they’re brilliant”). Bismarck won three wars with limited objectives and generous peaces; unlimited objectives plus a petroleum deficit forced Hitler toward the oil fields.

Deep dive

1. The 360° moat: what sea power opens and forecloses

• Sarah’s frame: only “a small subset of countries can defend themselves primarily at sea,” and Britain — “the country with the 360° ‘you can’t get me’ moat” — is the instructive case for the United States. The seas deliver mobility, theaters, markets, resources, allies and sanctuary at home, versus the “logistical nightmare of land transport where you can only drive through countries that will let you drive through.”
• Britain’s chokepoint problem: reaching ally Russia meant either the Norwegian run to Murmansk/Archangel or the Mediterranean through “the choke point of choke points,” the Dardanelles, to Odessa. Suez required cooperation from Spain, France and Italy — by 1940 France had fallen, Spain had fascist sympathies, and Italy was in the Axis.
• 1939–41: Britain faces two expansionist continental powers as Germany and Russia divide Poland — “the part of the history that Russians don’t like to talk about.” Barbarossa flips Stalin to Britain’s side: “now it’s down to one.”

2. The WWI conscripts ran WWII completely differently

• Sarah’s verdict on who learned: the leaders of WWII were WWI’s conscripts — “they are the greatest generation, not their children who claim the title.” Lesson one, Clausewitz’s culminating point of attack: no more trench assaults into machine guns racking up hundreds of thousands of deaths. Britain landed its big army in 1940, reassessed, and pulled it off at Dunkirk — chalking up half the deaths of WWI with a peripheral strategy.
• Coordination was transformed: WWI managed exactly two conferences (Chantilly, Dec 1915 and Nov 1916), military heads only, and Russia fell out in early 1917. WWII ran ABC staff talks and the Atlantic Charter before US belligerency, combined US–UK command, unconditional surrender as the stated objective, and postwar institutions designed mid-war.
• The Gallipoli/Normandy contrast carries the argument: the Navy telegraphed the Dardanelles landing for two months, the invasion “stalemates in three days” yet ran eight months for 190,000 casualties, 55,000 dead — with the Armenian massacre (1.5 million killed, 1915–23) beginning as collateral damage. Normandy: years of materiel buildup plus disinformation pointing the Germans at Pas-de-Calais, “up and over and into places inland.”
• Why Churchill and FDR insisted on boots in Berlin: in 1918 German troops sat abroad and “German civilians did not feel the full brunt of what their government had done” — this time they would.

3. Blockade vs. commerce raiding: the structural game of narrow seas

• The maritime opening move is blockade — cut the enemy off from the oceans and “force it to cannibalize its own resources.” Germany, a trading country on narrow seas, was structurally vulnerable; a continental power can’t blockade back because it can’t deploy a surface fleet — “you’ll sink it.”
• The continental counter is commerce raiding: after the Fall of France, U-boat pens at Brest, Lorient, Saint-Nazaire, La Rochelle and Bordeaux; the maritime counter to that is convoying, which the British would do even before they got in the war.
• Dönitz proved Raeder’s pocket battleships wrong; Hitler cashiered Raeder and then went further — scrapped the surface fleet entirely as useless. Sarah’s pointed aside: “It’s something countries like China, surrounded by narrow seas, ought to think about.”

4. The Battle of the Atlantic was a coin flip for years

• First Happy Time: U-boats turned the North Sea into a kill zone, the Fall of France forced convoying 400 miles further west with destroyers already lost at Norway and Dunkirk, wolfpacks attacked at night, and the Germans read British codes — 850,000 tons of Allied shipping down.
• The Enigma seesaw: captured machines, rotors and codebooks let Britain decrypt within 36 hours from summer 1941, enabling evasive routing that “may have saved up to 2 million tons.” Then Dönitz added a fourth rotor and blinded Britain for most of 1942 — while the British suspected their own Admiralty codes were compromised in August 1942 but didn’t change them until June 1943. The Germans were reading them.
• US entry produced Hitler’s Second Happy Time: Admiral King, “like his Royal Navy predecessors, doesn’t think convoying is the manly thing,” American cities left the lights on silhouetting merchantmen, and the 30-mile-wide Cape Hatteras shoals became a kill zone — over a million tons lost in the first three months of 1942 before interlocking convoys arrived in May.
• The technology package ended it: radar (“Germans never did” have it), hedgehog depth-charge sprays, auxiliary carriers closing the Greenland air gap, and small destroyer escorts “transform commerce raiding into a low-life expectancy profession.” May 1943: 41 U-boats lost — among the dead, Dönitz’s 19-year-old son Peter. Dönitz pulled the force south of the Azores.

5. Production overwhelms — but resist the monocausal story

• The civilian side was arguably decisive: 1943 US naval hulls and personnel tripling, merchant hull construction up four times and doubling again — by mid-1943 “there’s just way too much stuff out there for them to sink.”
• Dwarkesh’s thesis: it comes back to industry, not strategy — even Germany’s best maritime play fails against American shipbuilding. Sarah’s counter is her “game of takeaway”: remove cryptography — different outcome; remove radar — different; remove alliance coordination — different. “It’s probably a package of many things,” and monocausal advocates “will probably be right that their one cause is really important. But then they are just ignoring all these other things.”
• Sarah sharpens the distinction: those factors change the war’s length, but only flipping the Axis’s one-fourth share of Allied GDP changes who wins. She says it depends on limited vs. unlimited objectives — in the Russo-Japanese War Japan’s GDP was a fraction of Russia’s and Japan trounced Russia. And maybe the pivotal counterfactual is naval procurement plus timing: all U-boats, no surface fleet, knock Britain out fast, and “definitely do not declare war on the United States.”

6. Russia was the main theater; peripheral operations compounded into victory

• Definitional discipline: two-thirds to three-quarters of German ground forces always fought Russia — everything else was peripheral, and “who would want to fight in the main theater if there are alternatives? People die in droves.” Corbett’s prerequisites for a peripheral theater: overseas, local sea control better than the enemy’s land access, a “disposal force” (not disposable — sized so failure doesn’t ruin the homeland), joint and combined operations, and command of your own forces so you can leave — which is what Dunkirk was.
• The sequence: Norway lost (German land/sea access was better, yielding sub bases at Bergen and Trondheim that savaged Arctic convoys); the Mediterranean nearly lost with Malta blockaded until end-1942; then with US assets, 60% of the tankers supplying Dönitz’s oil were sunk. “Rommel loses in North Africa, not because he’s the inferior general — he’s a better general — he’s just not supplied.” North Africa created the opportunity for Sicily and Italy, which in turn made Normandy possible.
• Some argued that the air campaign functioned as a fifth peripheral theater: once Britain bombed Berlin, Hitler pulled squadrons and dual-use anti-aircraft guns off the Eastern Front — “the Germans no longer own the skies of Russia.” At Normandy, the Russians were tying up 228 Axis divisions against 58 in the whole West: “That’s what makes Normandy possible.”

7. Alliances are additive — and the Axis’s wasn’t

• Both alliances were “additive,” but differently: Germany added occupied GDPs at the cost of occupation overhead and conquest damage, and took over “the big petroleum deficit zone” — Romania’s oil pipelines ran to prewar customers, and rerouting pipelines in wartime was infeasible.
• Lend-Lease specifics survive compression: Russia got high-octane aviation fuel it couldn’t make, locomotives and rolling stock that moved everything, and Spam that prevented famine in winter 1942–43. A quarter came via Murmansk, a quarter via Persia, half over the completed Trans-Siberian — which Japan, in the war’s most dysfunctional-alliance detail, never touched. China got nothing: Japan’s blockade was “proof of concept” that blockade works, and flying the Hump was, per the British, insane.
• The fragility beat: Arctic convoys were called off for much of 1942–43 and Stalin sent feelers to Hitler for a separate peace in 1943 — “luckily Hitler was not interested.” Churchill’s summation: there’s only one thing worse than fighting with allies, “and that’s fighting without them, because you’ll be toast.”

8. Dwarkesh’s pushback: Hitler’s blunders, not Britain’s brilliance — and the Bismarck test

• Dwarkesh’s counter-history: Halifax wanted peace in 1940; instead Hitler opened a second front against the world’s other biggest army, then gratuitously declared war on America — “this seems much more about Hitler continually bungling.” Sarah: “It’s both” — Norway cost Hitler the fleet needed to invade Britain, the petroleum deficit forced him to move, and hindsight bias does the labeling: “A lot of people get away with really risky things and then you say they’re brilliant. The ones who don’t… you say they’re idiots.”
• The organizing concepts — limited vs. unlimited objectives and value of the object: Bismarck ran three wars, all limited, no regime change, generous peaces, and moved Prussia “from the weakest of the five great powers of Europe to second only to Britain” (Alsace-Lorraine being the one bite too far). Hitler ran “the most unlimited variant — he’s going to kill all the people.” Had he stopped after Anschluss and the Sudetenland, “he’d be called Bismarck II, a genius.”
• On Yergin’s oil thesis Sarah agrees Barbarossa was about oil — the real blunder being Moscow: “Just go straight for the oil fields.” And on why no 1943 surrender: “Dictators don’t. They just double down. This is the beauty of elections… The election is reassessing for them.”

9. Putin today: nature contains Russia, and his real problem is China

• The inventory is bleak: one carrier, the Admiral Kuznetsov, in repair since 2018 (flipped its own dry dock, gashed the hull, fires, embezzlement); Russia moved its naval base from Sevastopol to Novorossiysk after Ukraine showed that “just by using drones and shore ordnance and planes… you can wreck navies,” a “wake-up call to anyone on a narrow sea.” The Baltic, post Sweden/Finland accession, “is really a NATO lake” — Putin’s “latest gig is cutting undersea cables.”
• On NATO’s arcs of accession: former satellites fled at the first possible moment, and Russia ignores its complicity — “if you occupy places and brutalize them for generations, this is what you get.” Dugin’s spheres-of-influence map is the continental worldview: “you want to color it all in.”
• The contrarian call: America thinks Putin’s problem is NATO, but “actually, Putin’s problem is China.” NATO doesn’t want Russian land (“It’s full of Russians. Stay at home, please”) — but China might: Tsarist Russia took territories China may “feel deeply about,” holding Siberian energy and Lake Baikal’s 20% of the world’s surface fresh water, pipeable to a North China that’s exhausting its water table.

10. China, Taiwan, and the compounding cost of a timeout

• Mahan’s prerequisites, scored: China has no moat (20 neighbors — 13 by land, 7 by sea), no reliable egress through narrow seas, and under Xi “he is privileging the crony sector over the private sector”; neither China nor Russia passes the stable-institutions test — “a dictator for life does not remotely qualify.”
• On Taiwan: the value of the object is clearly higher to China, and it may take the island — “as glowing embers.” The chip foundry everyone cares about “would be the first casualty of that war. That will be blown and be gone.” The response is sanctions, not blockade, and they needn’t be leak-proof: shaving a couple of points off growth moves an economy’s doubling time from ~25 to ~75 years — “the difference between North and South Korea” — while supply chains, already migrating, keep leaving over a ~10-year horizon.
• Dwarkesh’s strongest challenge: China trades more with the world than the US does, so why would the coalition center on Washington? Sarah’s concession-plus-rebuttal: “No one’s centering around us right now because we’re not playing nicely with allies” — but China carries baggage: “We’re big, you’re small, so we get to tell you what to do,” telling neighbors like Vietnam to “shut up and color.” She also owns the US flaw: “the American busybody gene that’s gotten us into a lot of trouble.”
• The through-line for the present: keep adversaries’ primary enemies divided (today Taiwan for Xi, Ukraine for Putin — not the US), accept that foreign policy is choosing “the least bad option,” and since the Industrial Revolution introduced compounding growth, “this continental solution is a mistake” — trade beats conquest, “but sadly, the enemy gets a vote.”