Appeasement

WW2 · The War the Peace Built · 10 min

WW2 · Part 5 of 20 Appeasement
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Four capitals move on one, in four years — Rhineland, Vienna, the Sudetenland, then all of Prague. Each concession made the next one cheaper to ask for.
Base map: "Map Europe alliances 1914-en.svg", Wikimedia Commons, CC BY-SA 2.5 — recolored, capitals and event lines added.

A little after eleven at night on March 14, 1939, a 66-year-old former judge named Emil Hácha was shown into a room in Hitler’s Reich Chancellery in Berlin. He had been president of Czechoslovakia for less than four months, and he’d come from Prague hoping to negotiate. Instead he was told the terms: German troops would cross the border at six the next morning whether he agreed or not, and if the Czech army fired a single shot, the Luftwaffe would level Prague. Hácha argued and stalled past 1 a.m., trying to reach his government by phone, while Hitler’s aides — by multiple accounts from people in the building that night — pushed a document across the table for him to sign. At some point he collapsed. Hitler’s own physician, Theodor Morell, gave him an injection to revive him. Hácha signed a little after 4 a.m., formally asking Germany to take his country under its “protection.” German troops crossed the border a few hours later, in falling snow.

That scene is the end of this part’s story. To understand how a head of state ended up alone in a room being talked into surrendering his country in real time, you have to go back three years, to a morning when almost nothing happened at all — and that nothing turned out to matter more than anyone realized.

The test nobody answered

On the morning of March 7, 1936, a small German military force — roughly 3,000 soldiers, lightly armed — crossed into the Rhineland, the strip of German territory along the French border that the Treaty of Versailles and the 1925 Locarno Treaties had both required Germany to keep demilitarized. It was a flagrant, deliberate treaty violation, dressed up in Hitler’s own speeches as Germany simply reoccupying its own back garden — a phrase a Times leader writer actually used, more or less endorsing the move.

Here is the detail almost nobody in France or Britain knew that morning: the German army had standing orders to retreat immediately if France mobilized against it. Hitler admitted as much privately, later. The force sent into the Rhineland was not built to fight a war; it was built to see what would happen if nobody stopped it. France, mid-election season and unwilling to move without British backing, did not mobilize. Britain’s government treated it as a nuisance, not a crisis. Nothing happened. Germany kept the Rhineland.

◈ The MechanismThe credibility ratchet
A threat only means something if the other side believes you'll actually carry it out. Every time a real deadline passes with no consequence, that belief gets cheaper — not just for the country that backed down, but for the one that pushed and got away with it. The German army's own retreat order in March 1936 proves Hitler wasn't yet certain what France would tolerate. By the time nothing happened, he had his answer, and it applied to every crisis after this one, not just this territory. Game theorists call this an updating problem: both sides are constantly revising what they believe the other will actually do, based on what it has actually done so far, not what it says it will do. A ratchet only turns one way. Once a red line gets crossed for free, the next one starts from a weaker position — not because anyone announced a new policy, but because everyone in the room now believes something different about what the other side will risk.
A French Chasseurs à pied battalion moving toward the Rhine frontier near Strasbourg, in response to Germany's remilitarization of the Rhineland, March 1936.
French chasseurs moving up to the Rhine frontier near Strasbourg, March 1936 — visible activity that stopped well short of the one thing that would have actually mattered: crossing back in. — Agence Meurisse, Bibliothèque nationale de France, public domain, via Wikimedia Commons

Historians who’ve gone back and checked the German side agree this was the cheapest possible moment to have stopped Hitler — the force was small, overstretched, and under orders to fold. Nobody tested that on the day. The Rhineland crisis didn’t look like the beginning of anything at the time. It just looked like Germany tidying up an old grievance. What it actually did was answer a question Hitler hadn’t been sure of yet, and hand him a data point every crisis after this one would build on.

Two years, then a new country’s turn

Two years passed before the next test. On March 12, 1938, after a campaign of German-sponsored pressure and street unrest inside Austria, German troops crossed the border to “restore order” — the day after Austrian Chancellor Kurt Schuschnigg, having tried and failed to schedule a last-minute independence plebiscite, resigned under direct German threat. Hitler reached Vienna within days. On March 15 he addressed a massive crowd from the Hofburg’s balcony overlooking the Heldenplatz, announcing Austria’s “return” to the Reich. A rigged plebiscite the following month recorded roughly 99 percent approval, under conditions no serious historian since has called free. Austria stopped existing as an independent country until after the war.

Adolf Hitler addressing the crowd from the balcony of the Hofburg on Heldenplatz, Vienna, March 15, 1938.
Hitler addressing the crowd on Heldenplatz, Vienna, March 15, 1938 — the day after German troops crossed into Austria. — Bundesarchiv, Bild 183-1987-0922-500 / CC-BY-SA 3.0, via Wikimedia Commons

Britain and France protested on paper and did nothing else. By any honest accounting this was a second free pass, on a bigger prize than the first. And Hitler’s next target already had a plan of attack built into its own population — three million ethnic Germans, living inside somebody else’s country, whose loyalty could be organized from Berlin without a single German soldier crossing a border first.

The country that wasn’t at the table

Czechoslovakia, created in 1918 out of the wreckage of the Austro-Hungarian Empire, had a German-majority borderland called the Sudetenland. Through 1938, a local party led by Konrad Henlein — funded and directed from Berlin — agitated for autonomy and then annexation, escalating its demands to whatever Hitler needed the crisis to require next. By September, Europe was watching Hitler meet Chamberlain three times in two weeks: at Berchtesgaden on the 15th, at Bad Godesberg on the 22nd and 23rd — where Hitler raised his demands and the talks nearly broke down entirely — and then, on September 29 and 30, at a hastily arranged four-power conference in Munich.

Chamberlain, Hitler, French premier Édouard Daladier, and Italian dictator Benito Mussolini attended. Czechoslovakia did not — no Czechoslovak representative was in the room while its own borders were redrawn. The agreement ceded the Sudetenland to Germany within ten days, along with Czechoslovakia’s fortified mountain defense line, a large share of its industry, and about a fifth of its population.

THE DECISION · SEPTEMBER 28, 1938, MIDDAY

You are Neville Chamberlain. Godesberg has collapsed. Britain's fleet has been mobilized, trenches are being dug in London's parks, and you are addressing the House of Commons on the likelihood of war within days when a note is handed up to you: Mussolini has proposed a four-power conference in Munich, tomorrow. What do you do?

Hitler's Godesberg deadline for Czech capitulation is already past. France and Czechoslovakia have treaty obligations to each other that Britain, tied to France, would be pulled into if fighting starts. You have flown to Germany twice already this month — the first flights of your life, at 69.

Accept Mussolini's proposal immediately and fly to Munich for a third meeting.
Decline the conference, treat the Godesberg deadline as void, and coordinate with France on standing firm alongside Czechoslovakia.
Refer the offer back through ambassadors first, without committing a head of government to travel again.

Chamberlain accepted on the spot, telling the Commons he had "no doubt" about going, to reported cheers in the chamber. He flew to Munich the next morning for his third meeting with Hitler in two weeks. The agreement produced there gave Germany everything Godesberg had demanded, just with a conference's signatures attached to it instead of an ultimatum's. Chamberlain and Hitler also signed a separate bilateral declaration of Anglo-German goodwill — the paper Chamberlain waved on his return to Heston Aerodrome, and the basis for the "peace for our time" line he gave that evening outside 10 Downing Street.

German troops entering Aš, in the western Sudetenland, during the handover of the ceded territory following the Munich Agreement, October 3, 1938.
German troops entering the Sudeten town of Aš, October 3, 1938 — the physical handover the Munich signatures had authorized four days earlier. — Bundesarchiv, Bild 183-H13158 / CC-BY-SA 3.0, via Wikimedia Commons
Neville Chamberlain holding up the Anglo-German declaration for the crowd at Heston Aerodrome, London, on his return from the Munich Conference, September 30, 1938.
Chamberlain at Heston Aerodrome, September 30, 1938, holding the paper he'd wave again that evening outside Downing Street. — Ministry of Information official photographer, Imperial War Museums (IWM D 2239), public domain, via Wikimedia Commons

Daladier, who expected jeers when he landed back in Paris, got cheering crowds instead — relief, not judgment, was the mood almost everywhere in Western Europe that week. Not everywhere. Alfred Duff Cooper, First Lord of the Admiralty, resigned from Chamberlain’s cabinet the day the agreement was signed and explained why to the House of Commons on October 3.

"I have retained something which is to me of great value — I can still walk about the world with my head erect." Cooper told the Commons the Godesberg terms Munich had essentially delivered anyway amounted, in his words, to dealing Czechoslovakia "a mortal blow" while pretending to "insure its life" — a guarantee of borders attached to a settlement that had just stripped away the mountains and fortifications that made those borders defensible in the first place.

Alfred Duff Cooper, resignation statement to the House of Commons, October 3, 1938 — Hansard, vol. 339

The gauge historians still argue over

GUILTY MENBOUGHT TIME
state of scholarship, 2026

This gauge shows where historians' debate actually sits — not a simulated probability. It never invents a number; it points at a real argument.

The harsh reading is nearly as old as Munich itself. *Guilty Men*, a 1940 pamphlet written under the pseudonym "Cato" by journalists Michael Foot, Frank Owen, and Peter Howard, indicted Chamberlain's circle for cowardice and blindness, and Winston Churchill's own memoir *The Gathering Storm* (1948) framed the 1930s as years Britain could have stopped Hitler cheaply — especially at the Rhineland in 1936. Later historians who substantially uphold that reading include R.A.C. Parker (1993) and Tim Bouverie, whose *Appeasement* (2019) argues Chamberlain was driven by a mistaken personal conviction that Hitler was a rational actor who could be satisfied.

The revisionist case runs differently on two separate tracks. A.J.P. Taylor's *The Origins of the Second World War* (1961) argued Hitler was less a uniquely diabolical schemer than an opportunist working within the normal power politics other European statesmen also practiced — a claim that reopened the whole question of intention versus improvisation. Separately, and more concretely, Williamson Murray's *The Change in the European Balance of Power, 1938-1939* (1984) documents just how much British fighter production and radar-linked air defense improved between September 1938 and September 1939 — the "buying time" case, that Munich was strategically rational for Britain even if morally compromised. Neither side disputes what happened at the Rhineland, Vienna, or Munich. They disagree about how much room those decisions actually left, and what a different choice would plausibly have cost.

What nobody at the table knew

Chamberlain believed Britain was negotiating from weakness in September 1938. By most retrospective military assessments, he had that backwards.

Declassified
At the time British Air Ministry intelligence through 1937-38 had convinced Chamberlain's government that a Luftwaffe bombing campaign against London — "the bomber will always get through," in the doctrine's own phrase — could kill tens of thousands of civilians within days of a war starting. That fear was load-bearing in Chamberlain's calculus at every meeting with Hitler.
What was actually true British intelligence had significantly overstated German bomber strength and production. And Germany's own rearmament was still incomplete in 1938 — ammunition, fuel reserves, and the fortifications facing France were all well behind where they'd be a year later. Multiple postwar assessments concluded Czechoslovakia's own army, combined with any serious French move across Germany's weakly defended western border, could plausibly have beaten Germany outright that autumn. And inside the German general staff, Chief of Staff Ludwig Beck resigned in protest in August 1938; his successor Franz Halder and intelligence officer Hans Oster prepared to move against Hitler themselves if he ordered an invasion Britain and France actually resisted. The plot dissolved the moment Chamberlain agreed to fly to Munich — Hitler got his settlement without a war, so the one condition the conspirators were waiting for never arrived. The appeasers' concession is what saved Hitler from his own generals.
Made public only after the war — through postwar interrogation of German officers, the Nuremberg documentary record, and, for the Oster plot specifically, historians' later access to Halder's own war diary and German general-staff archives.

Chamberlain went to his grave in November 1940 without knowing how much stronger his hand had actually been at that table.

The guarantee that lasted six months

Munich’s entire premise — the thing that let people who weren’t Duff Cooper sleep at night — was that Hitler’s demands were about uniting ethnic Germans, and once the Sudeten Germans were home in the Reich, there was nothing left to want. Slovakia, pressured from Berlin, declared nominal independence on March 14, 1939, becoming a German client state overnight. That same evening, Hácha was summoned to Berlin.

You already know what happened in that room. German troops entered Prague the next morning, March 15, in heavy snow. Hitler proclaimed the “Protectorate of Bohemia and Moravia” from Prague Castle. This was the first time Nazi Germany had seized a population that wasn’t German-speaking, and it demolished the Munich settlement’s premise within days — not months, days. The guarantee Chamberlain had extracted alongside the Sudetenland’s surrender had lasted a little under six months.

Czechoslovak President Emil Hácha in conversation with Adolf Hitler during the overnight Berlin meeting of March 14-15, 1939.
Hácha and Hitler in Berlin, the night the meeting that opened this part actually happened. — Bundesarchiv, B 145 Bild-F051623-0206 / CC-BY-SA 3.0, via Wikimedia Commons

Chamberlain’s public tone changed almost overnight. His speech in Birmingham on March 17 dropped the language of appeasement entirely, and on March 31, Britain extended a formal guarantee to Poland — the guarantee that would put Britain into the war five months later, over the crisis Part 6 picks up.

◈ THE MECHANISM, MEASURED · FOUR CLICKS, ONE RATCHET

Four real tests, three years, one direction. Tap through — the ratchet only advances.

Click 1 — The Rhineland
What Germany risked

Roughly 3,000 lightly armed troops, under standing orders to retreat immediately if France mobilized against them — a force built to test the water, not to fight a war.

What actually happened: France, mid-election and unwilling to move without Britain, didn't mobilize. Britain treated it as a nuisance. The cheapest possible moment to stop this ratchet passed with nothing spent to stop it.
Click 2 — Austria
What Germany risked

A full military crossing this time, not a token force — but one still banking on the same read of the last crisis: that no one with the power to stop it would spend that power.

What actually happened: Hitler addressed a crowd from the Hofburg balcony within days. A rigged plebiscite recorded ~99% approval. Austria stopped existing as an independent country until after the war.
Click 3 — The Sudetenland
What Germany risked

A confrontation big enough to trigger France's and Czechoslovakia's mutual treaty obligations — and, on the German side, a serious conspiracy inside the general staff ready to move against Hitler if Britain and France actually resisted.

What actually happened: Chamberlain flew to Munich instead. The Sudetenland was ceded within ten days — and the generals' plot dissolved the moment the one condition it needed, real resistance, never arrived.
Click 4 — Prague
What Germany risked

Breaking Munich's own stated premise — that Hitler's demands were only ever about uniting ethnic Germans — by seizing a population that wasn't German-speaking at all, six months after promising this was the last demand.

What actually happened: German troops entered Prague the next morning. The guarantee Chamberlain had just extracted lasted under six months. Nine days later, Britain issued the guarantee to Poland it had declined to give Czechoslovakia — the one it kept.
A threat that costs nothing to make gets repeated until it costs something to ignore — that's the mechanism above in miniature, and it isn't unique to the 1930s. Part 20 closes the whole project with the fuller, non-partisan version of what the historical record actually suggests about recognizing a ratchet like this one while it's still turning.
Acted while the governments in this part didn't

Nicholas Winton

A London stockbroker who visited a refugee camp in Prague in December 1938, in the immediate aftermath of the Sudetenland's cession, and came home and started organizing. Between March and August 1939, Winton arranged eight trains carrying 669 mostly Jewish and Sudeten-refugee children out of Czechoslovakia to Britain — keeping the records, the names, the sponsor families himself. A ninth train, scheduled for September 1, 1939, never left; the invasion of Poland closed the border that same morning.

He told almost no one for nearly fifty years. In 1988, a BBC program surprised him, live, with an audience made up entirely of people he'd saved as children. He died in 2015, aged 106.

In one sentence: what actually changed between March 1936, when a small German force could be talked out of the Rhineland by nothing more than the threat of resistance, and March 1939, when Hitler could order Prague bombed and be believed?

Not Germany's actual military strength, which by most postwar assessments was still shakier in 1938 than either side believed — what changed was what each side had learned to expect from the other. Every crossed line that went unpunished taught Hitler his opponents would negotiate rather than fight, and taught his own generals that objecting inside the system wouldn't work either. By the time Hácha sat down in that room in Berlin, three years of evidence already told him what the answer to "what happens if I refuse" was going to be. That's not a story about one weak man facing one strong one. It's a story about what a threat is actually worth once everyone in the room has watched it go untested, again and again.

Sources

Wesley K. Wark, The Ultimate Enemy: British Intelligence and Nazi Germany, 1933-1939 (1985); Williamson Murray, The Change in the European Balance of Power, 1938-1939: The Path to Ruin (1984); Terry M. Parssinen, The Oster Conspiracy of 1938 (2003); R.A.C. Parker, Chamberlain and Appeasement (1993); Tim Bouverie, Appeasement: Chamberlain, Hitler, Churchill, and the Road to War (2019); A.J.P. Taylor, The Origins of the Second World War (1961); 'Cato' [Michael Foot, Frank Owen, Peter Howard], Guilty Men (1940); Winston S. Churchill, The Gathering Storm (1948); Tom Harrisson and Charles Madge (eds.), Britain, by Mass-Observation (1939); Telford Taylor, Munich: The Price of Peace (1979); Igor Lukes, Czechoslovakia between Stalin and Hitler (1996); House of Commons Hansard, vol. 339, October 3, 1938 (Duff Cooper's resignation statement); Imperial War Museums Sound Archive, Nicholas Winton interview
Found a mistake, a source that doesn't check out, or something missing? Reply by email — every checkable reference in this series is meant to hold up.
Next time

Six months after Prague, Hitler will sit down with the one power his entire foreign policy had been read as opposing — and Part 6 asks what two governments built on annihilating each other's ideology actually agreed to hand one another to make that happen.

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