32.21.02 · world-history / interwar-totalitarianism

The interwar period — Versailles, depression, and the rise of totalitarianism

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Anchor (Master): Mazower 1998 Dark Continent (Knopf); Tooze 2014 The Deluge (Allen Lane); Eichengreen 1992 Golden Fetters (Oxford University Press); Temin 1989 Lessons from the Great Depression (MIT Press)

Intuition Beginner

The two decades between the First and Second World Wars broke because two structures that held the post-1919 order in place failed together. The first was the peace settlement itself, which punished the losers and drew new borders straight through mixed populations, leaving the settlement with no legitimacy in the eyes of the defeated. The second was the financial order that chained every major currency to gold.

Under gold-standard rules a central bank could not print money freely. When panicked savers pulled gold out, the bank had to raise interest rates and shrink credit to defend its parity, even as factories closed and workers lost their jobs. One country's contraction dragged down the next. That structural link is why the slump that began in 1929 was global rather than merely American.

Under that pressure the democracies founded after 1918 buckled. Germany's Weimar Republic, built on American loans, broke when those loans were called home. Italy in 1922, then Germany and Japan in the early 1930s, turned to single-party dictatorships that promised order and national renewal. The Soviet Union, cut off from the gold standard by its planned economy, escaped the slump but industrialised by force and killed millions of its own citizens in the process.

This unit explains the mechanisms rather than retelling the events. It asks why the peace was unstable, why the financial order transmitted the shock so efficiently, and why democracy in some countries survived while in others it did not. Where historians disagree — whether Versailles caused the next war, whether the gold standard was the real culprit in the Depression — the competing positions are set side by side so the reader can see what each rests on.

Visual Beginner

The three rival systems each diagnosed the crisis differently and prescribed a different cure. The depth unit's distinctive contribution is to compare the diagnoses as rival causal theories, not as moral positions.

System Diagnosis of the crisis Prescription
Liberal democracy (US New Deal, Scandinavian social democracy) Policy failure within basically sound institutions Reform: fiscal stimulus, financial regulation, welfare, while keeping elections and markets
Fascism (Italy 1922, Germany 1933) Weakness of democracy, national humiliation, internal enemies One-party dictatorship, rearmament, expansion, suppression of dissent
Communism (USSR) Inherent, inevitable failure of capitalism Abolish private property; central planning; a classless society

Worked example Beginner

The Nazi Party's vote tells the story of how quickly a democracy can lose consent. In the Reichstag election of May 1928 the Nazis won 12 seats on 2.6 percent of the vote. After American loans dried up and German unemployment climbed, the September 1930 election gave them 107 seats on 18.3 percent. In July 1932, with roughly six million Germans out of work, they peaked at 230 seats on 37.3 percent.

Compare the endpoints. A rise from 12 seats to 230 seats is a factor of 230 divided by 12, which is about 19. A party that fewer than three voters in a hundred had supported became the largest in parliament in four years. The November 1932 vote actually fell to 196 seats on 33.1 percent; the Nazis were already losing momentum when conservative elites handed Hitler the chancellorship in January 1933.

The companion figure is unemployment. American unemployment reached about 25 percent in 1933; German unemployment reached about 30 percent in 1932 (six million workers out of a labour force of roughly twenty million). The party that offered scapegoats and a promise of order grew in step with the collapse of pay cheques.

Check your understanding Beginner

Formal definition Intermediate+

The companion unit 32.21.01 defines the political typology (totalitarianism, fascism, Stalinism, appeasement). This unit specialises to the mechanisms that connected an economic shock to a political collapse, and so introduces the formal objects the survey does not need.

The classical gold standard. A country on the gold standard fixes its currency to gold at a parity (units of currency per troy ounce). The central bank holds gold reserves that back (at least fractionally) the monetary base . Against a second gold-standard country with parity the nominal exchange rate is pinned at , held within the gold points by physical arbitrage. Membership is a fixed nominal-anchor regime: the price of gold, and therefore the external value of the currency, is held constant by the bank's willingness to buy and sell gold on demand.

The deflation-transmission mechanism. When gold leaves a country (through a trade deficit, capital flight, or a bank run), falls and the bank must contract to keep the parity credible. In the quantity identity , with payment-habit velocity and real output sticky in the short run, a falling pulls nominal income down: some of the adjustment comes through lower prices (deflation) and some through lower (recession). The bank cannot offset the shock by expanding , because expansion would break the parity. Because every member faces the same constraint, the gold standard turns one country's contraction into a coordinated global contraction.

Debt deflation (Fisher 1933). A nominally fixed debt of currency units, contracted when the price level was , has real burden . After deflation to a lower price level the real burden rises to . Borrowers whose incomes fall with prices default; banks holding the loans fail; the money supply contracts further as deposits vanish; the next round of defaults follows. The feedback is self-reinforcing and gives deflation its specific destructive power beyond the mere fact of falling output.

Reparations as a transfer problem. A reparation of marks forces Germany to (i) produce real goods worth abroad and (ii) obtain the foreign exchange to pay them over, either by running a trade surplus large enough to earn that exchange or by surrendering gold reserves. Keynes [Keynes 1919] argued in 1919 that the surplus required was far beyond Germany's capacity and beyond its neighbours' willingness to absorb the extra exports. The modern consensus, built on the re-evaluations of the 1980s and 1990s (Ritschl and others), is that Germany actually transferred much less than the headline 132 billion gold marks and financed a large share of what it did pay through American private lending.

Regime breakdown (the political mechanism). The transition from democracy to dictatorship in the interwar cases is not a single event but a chain of distinct steps, each requiring its own explanation: an exogenous shock raises mass unemployment; an existing parliamentary system proves unable to mitigate the shock; anti-system mass parties grow by absorbing the disaffected; conservative elites who despise the mass party nonetheless calculate that they can harness it and invite it into government; the mass party then uses the powers of office to dismantle the institutions that brought it in. The Italian case (1922) and the German case (1933) differ in almost every detail except this last step.

Comparative framework Intermediate+

Three pathways to the single-party state

Italy, Germany, and the Soviet Union each arrived at a one-party regime by a different route, and the differences matter for any causal claim about how democracies die.

The Italian pathway (October 1922) was the fastest and the least preceded by economic collapse. Mussolini's squads (squadristi) had spent three years attacking socialist organisers and trade-union offices while the police and landowners looked away. The March on Rome was a mobilisation, not a battle: the army could have dispersed the fascists, and King Victor Emmanuel III chose not to. The decisive variable was elite acquiescence, not mass electoral support — fascist deputies held only 35 of 535 seats in the 1921 chamber. Once in office Mussolini used two years of legislative violence (the Acerbo Law of 1923, the rigged election of 1924, the murder of Giacomo Matteotti, the 1925 dictatorship laws) to convert minority power into a monopoly.

The German pathway (January 1933) was the opposite ordering: mass electoral support first, elite brokerage last. The Nazi vote grew from 2.6 percent (1928) to 37.3 percent (July 1932) under the hammer of unemployment. But the November 1932 result fell to 33.1 percent, and the party was visibly declining and running out of money when Franz von Papen and a circle of conservative nationalists persuaded President Hindenburg to appoint Hitler chancellor. The conservatives expected to control Hitler through a cabinet dominated by their own people. Within eighteen months Hitler had used the Reichstag Fire Decree and the Enabling Act to extinguish parliamentary government, purge his own killing wing in the Night of the Long Knives (June 1934), and combine the presidency and chancellorship after Hindenburg's death (August 1934). The structural difference from Italy is that German fascism rode a genuine mass movement into office and then radicalised; Italian fascism talked its way into office through elite panic and then built the movement from above.

The Soviet pathway is structurally distinct because there was no democratic regime to break. The Bolsheviks had already won a one-party state in the civil war (1918-1921). The interwar question for the USSR is therefore not how did democracy die but why did an existing single-party regime radicalise into the collectivisation, the purges, and the show trials of 1928-1938. The answer advanced here is that the regime read the international situation (the Depression, the rise of Hitler, the perceived capitalist encirclement) as an existential threat that demanded crash industrialisation, and that crash industrialisation in turn required the grain seizures, deportations, and internal terror that financed and forced it. The radicalisation was endogenous to a single-party regime operating under perceived emergency, not a response to electoral collapse.

The contested question: what role did the gold standard play?

The depth unit's first contested question concerns the mechanism of the Depression itself. Two positions dominate the literature and they are not interchangeable.

Position A (Temin 1989). Peter Temin [Temin 1989] argued that the Depression was a coordinated international contraction produced by contractionary monetary policy. Governments and central banks, led by the Federal Reserve's decision to tighten in 1928-1929 and to let the money supply collapse after 1930, chose deflation. On this reading the gold standard supplied the ideology and the accounting rationale, but the causal weight falls on the policy decisions themselves — above all on the Fed's failure to act as a lender of last resort during the banking panics of 1930-1933. The Depression was severe because the policy was wrong, not because the gold standard made the right policy impossible.

Position B (Eichengreen 1992). Barry Eichengreen [Eichengreen 1992] argued that the gold standard was the binding constraint, not merely the ideology. The interwar gold-exchange standard was structurally fragile: reserves were concentrated in two centres (London and New York), credibility was thin after the 1925 return to gold at the pre-war parity had overvalued sterling, and the 1931 collapse of the Austrian Creditanstalt and the run on sterling detonated a chain reaction in which every central bank had to deflate to defend its own parity. The decisive evidence is comparative: Britain abandoned gold in September 1931 and recovered earliest; the United States followed in 1933 and recovery began immediately; the "gold bloc" (France, Belgium, the Netherlands, Switzerland, Poland) clung to gold until 1935-1936 and suffered longest. The countries that left gold earliest recovered earliest.

What the two positions actually disagree about. Both agree that deflationary monetary policy caused the slump; they disagree about why the policy was made. For Temin, central banks had room to act differently and failed to use it. For Eichengreen, the structure of the interwar gold standard left central banks little genuine room: a bank that expanded while its neighbours contracted would lose gold and be forced off the parity. The two views are partially compatible — Temin's policy failure could be the proximate cause operating inside Eichengreen's structural constraint — but they assign different weight to agency and to structure, and they generate different policy lessons for any future fixed-anchor regime.

Bridge. This framework builds toward the post-1944 Bretton Woods order, whose designers took the gold standard's deflationary transmission as the foundational reason to subordinate exchange-rate fixity to domestic employment, and it appears again in the analysis of the post-2008 eurozone crisis, where the central insight — that a fixed nominal anchor forces contractionary adjustment onto deficit members unless backed by fiscal transfers — is precisely the interwar lesson re-encountered under the institutions of the euro. The bridge is that the interwar collapse was the first large experiment in a globalised fixed-anchor financial system, and its failure defined every subsequent design choice in international monetary architecture.

Exercises Intermediate+

Advanced results Master

The Versailles-caused-WWII thesis, strong and nuanced

The proposition that the Treaty of Versailles caused the Second World War is the load-bearing contested question of interwar historiography, and the literature contains a spectrum rather than a dichotomy. The strong version descends directly from Keynes [Keynes 1919], whose Economic Consequences of the Peace (1919) forecast that the reparations schedule would ruin Germany and destabilise Europe. In its strong form the thesis is a single causal chain: the treaty's severity produced German resentment; the resentment produced the Nazi movement; the Nazi movement produced the war. Each link in the chain is individually defensible, which is why the strong version retains rhetorical force, but the chain as a whole suppresses the intermediate causes that did the heaviest lifting.

The nuanced version, which the evidence better supports, keeps Versailles as a necessary background condition but relocates the proximate causes to the years 1929-1933. Etienne Mantoux's 1946 reply to Keynes, The Carthaginian Peace, made the earliest systematic case that the treaty was not uniquely punitive by comparison with the 1871 Treaty of Frankfurt imposed on France (which extracted Alsace-Lorraine, a five-billion-franc indemnity, and an occupation, yet did not produce a world war). The revisionist reparations scholarship of the 1980s and 1990s showed that Germany transferred far less than the headline figure and that its industrial capacity actually grew during the 1920s. Adam Tooze [Tooze 2014] has since reframed the entire settlement as a US-centred financial order whose collapse in 1929-1931 — not whose imposition in 1919 — destroyed the interwar peace. On the nuanced reading, Versailles supplied the grievance that the radical right mined, but it was the Depression and the policy failures around it that gave the grievance a mass audience.

The road from seizure to the Holocaust: intentionalist and functionalist accounts

A second contested question concerns the mechanism by which a regime that in 1933 intended the expulsion of Jews from Germany arrived by 1942 at their extermination. Two schools, neither in its pure form any longer defensible, organise the debate.

The intentionalist position (in the strong form associated with Klaus Hildebrand and Eberhard Jäckel) holds that Hitler carried a fixed program of territorial expansion and racial annihilation from Mein Kampf (1925) onward, and that the events of the Third Reich — Anschluss, the occupation of Czechoslovakia, the invasion of the Soviet Union, the mass shootings after June 1941, the Wannsee Conference of January 1942 — are the execution of that program in sequence. The strong form requires that the documentary record show a long-standing exterminatory intent, and the record does not show it with the clarity the strong form needs.

The functionalist position (Hans Mommsen, Martin Broszat) holds that the Nazi state was a polycracy of competing power centres, that policy emerged from improvisation and radicalising competition between agencies, and that extermination emerged in 1941-1942 through cumulative radicalisation under the pressure of a war that had outrun the regime's plans — especially once the Madagascar resettlement scheme became impossible and the eastern killing campaigns escalated. The current synthesis, associated with Christopher Browning and Ian Kershaw, holds that Hitler had broad goals (living space in the east, removal of the Jews) but that the specific decisions emerged through the interaction of ideological commitment with the contingencies of war. The mechanism that matters is radicalisation under perceived constraint: each failure of the previous solution (emigration, the Nuremberg Laws, the Madagascar plan, the Lublin reservation, the shootings) pushed the regime toward the next, harsher one, until industrialised murder became the operative policy.

Stalinism as a mechanism: collectivisation, the purges, the show trials

The Stalinist radicalisation of 1928-1938 operates by a recognisably similar logic applied inside an existing single-party regime. The collectivisation drive of 1929-1932 abolished private farming and forced peasants onto kolkhozy, with the immediate purpose of extracting grain to feed the new industrial cities and to export for foreign currency. The Ukrainian famine of 1932-1933 (the Holodomor), which killed between 3.5 and 5 million people, and the Kazakh famine, which killed roughly 1.5 million (about a third of the Kazakh population), were the direct result. Whether these famines amount to genocide, in the sense defined by the 1948 UN Convention, remains contested: the deliberate punitive measures taken specifically against Ukraine support the case for intent, while the simultaneous occurrence of famine in other grain regions supports the case for criminal policy of a non-genocidal kind. The dispute turns on the legal standard for intent, not on the death toll, which is established.

The Great Purge of 1936-1938 and its accompanying show trials are the second element. The purge consumed much of the Old Bolshevik leadership (the Moscow Trials of Zinoviev, Kamenev, Bukharin and others), roughly 34,000 officers of the Red Army including most of its senior command, and — through the expanding quotas of NKVD Order No. 00447 — several hundred thousand ordinary citizens shot on categorical grounds. The show trials, in which the accused confessed to fantastical crimes of sabotage and espionage, were not judicial proceedings but instruments of political pedagogy: they instructed the population in the official reality and demonstrated that the Party's claim to truth overrode the evidence of the defendant's life. The mechanism is governance by demonstrated omnipotence: the regime proved its power by compelling public assent to claims everyone knew to be false.

Comparative toll, and a quantitative anchor

The three regimes' death tolls outside the war itself are of different orders and the comparison must be made carefully. Forced collectivisation, famine, the Gulag, and the purges killed an estimated 6 to 9 million people inside the USSR between 1929 and 1938. The Holocaust killed approximately 6 million Jews and millions of Roma, Soviet prisoners of war, disabled people, and others. Italian fascism's internal toll before the wars of 1935-1945 was orders of magnitude smaller, consistent with the analysis above that the Italian regime was the least radicalised of the three. These figures are scholars' best current estimates from archival work since 1991; the precise numbers remain subject to revision and should not be cited as exact.

Synthesis. Putting these together, the central insight of the interwar period is that a modern state equipped with mass politics and industrial capacity can redirect the entire energy of a society toward ideological projects on a scale — for construction or for catastrophe — that no pre-industrial regime could approach, and that this capacity is the foundational reason the post-1945 constitutions entrenched human-rights provisions against majorities as well as against monarchs. The gold-standard transmission mechanism generalises to any fixed-nominal-anchor regime without fiscal backing; the radicalisation dynamic is dual to the consolidation dynamic that stabilised the postwar democracies; and the bridge is that the interwar collapse, more than the wars it produced, is the formative event of the short twentieth century — this is exactly the lens through which Hobsbawm and Mazower ask us to read the period.

Connections Master

  • The direct prerequisite is World War I 32.20.01: the Treaty of Versailles, the gold-exchange standard reconstructed at Genoa in 1922, the institutional landscape of the League of Nations, and the demographic trauma that made every post-1919 government afraid of another continental war all flow from 1914-1918. Without the war there is no settlement to break.

  • This unit deepens the companion survey of interwar totalitarianism 32.21.01, which carries the narrative of the period at all three tiers. The survey answers what happened; the depth unit answers by what mechanism and how historians argue about it. Read the survey first for the events, this unit for the causal and historiographical analysis.

  • The Industrial Revolution 32.18.01 supplies the structural preconditions: industrial capitalism, integrated international capital markets, the gold standard as a coordinating institution, and the productive capacity that made total war and industrialised mass killing technically possible. The Depression exposed vulnerabilities that the industrial economy had built in.

  • The direct successor is World War II 32.22.01: the unresolved mechanisms analysed here — German revisionism under a radicalising regime, Japanese resource hunger, Stalinist paranoia, and the Western failure of nerve at Munich — produced the next war. The roads to 1939 are the outputs of this unit's causal chains.

Historical and philosophical context Master

The historiography of the interwar period has been shaped more directly by political commitment and by lived experience than is usual, and the major interpretations carry visible dates. Keynes [Keynes 1919] wrote The Economic Consequences of the Peace in 1919 as an argument addressed to the negotiators themselves, forecasting ruin; it is both a work of economics and a political intervention, and the "Versailles caused the next war" thesis descends from it more or less directly. The Cold War "totalitarian model" (Arendt 1951, Friedrich and Brzezinski 1965) read Nazi Germany and the Soviet Union as variants of a single threat to liberal democracy, a reading that served the intellectual needs of Western containment policy but that also captured real structural similarities between the two regimes.

Two archival openings transformed the field. The opening of German records after 1945 made possible the intentionalist-functionalist debate over Nazi policy. The opening of Soviet archives after 1991 transformed the study of Stalinism: Sheila Fitzpatrick, Stephen Kotkin, and Timothy Snyder reconstructed a Soviet society that was simultaneously more murderous than the totalitarian model had claimed and more chaotic, with greater scope for local initiative and private manoeuvre, than the model of a perfectly efficient machine of control allowed. Peter Temin [Temin 1989] and Barry Eichengreen [Eichengreen 1992] redirected the economic history of the Depression away from a purely American event toward a coordinated international contraction under the gold standard. Adam Tooze [Tooze 2014] reframed the whole settlement as a US-centred system whose 1929-1931 collapse, rather than its 1919 imposition, destroyed the peace.

These readings remain in productive disagreement. The intentionalist-functionalist debate has converged on a synthesis but not on a single mechanism; the genocide characterisation of the Holodomor remains contested in the legal sense described above; and the relative weight of Versailles, the gold standard, and the Depression in explaining the slide to war is still a matter of professional judgement rather than settled consensus. Hobsbawm [Hobsbawm 1994] and Mazower [Mazower 1998] write from explicitly different political traditions — Hobsbawm as a lifelong Communist, Mazower as a liberal historian of Europe's authoritarian traditions — and their accounts agree on the events while differing on the evaluation of the Soviet experiment. Claims in this unit about regime type, death tolls, and policy mechanism are dated to the scholarship that established them; contested claims are marked as contested.

Bibliography Master

Primary and secondary works cited in the text and referenced above. The entries below are formatted as BibTeX for machine consumption; the human-readable bibliography is the prose of the unit itself.

@book{keynes1919,
  author    = {Keynes, John Maynard},
  title     = {The Economic Consequences of the Peace},
  publisher = {Macmillan},
  address   = {London},
  year      = {1919},
}

@book{fisher1933,
  author    = {Fisher, Irving},
  title     = {The Debt-Deflation Theory of Great Depressions},
  journal   = {Econometrica},
  volume    = {1},
  number    = {4},
  pages     = {337--357},
  year      = {1933},
}

@book{mantoux1946,
  author    = {Mantoux, Etienne},
  title     = {The Carthaginian Peace, or The Economic Consequences of Mr. Keynes},
  publisher = {Oxford University Press},
  year      = {1946},
}

@book{temin1989,
  author    = {Temin, Peter},
  title     = {Lessons from the Great Depression},
  publisher = {MIT Press},
  address   = {Cambridge, MA},
  year      = {1989},
}

@book{eichengreen1992,
  author    = {Eichengreen, Barry},
  title     = {Golden Fetters: The Gold Standard and the Great Depression, 1919--1939},
  publisher = {Oxford University Press},
  address   = {New York},
  year      = {1992},
}

@book{arendt1951,
  author    = {Arendt, Hannah},
  title     = {The Origins of Totalitarianism},
  publisher = {Harcourt Brace},
  address   = {New York},
  year      = {1951},
}

@book{hobsbawm1994,
  author    = {Hobsbawm, E. J.},
  title     = {The Age of Extremes: The Short Twentieth Century, 1914--1991},
  publisher = {Michael Joseph},
  address   = {London},
  year      = {1994},
}

@book{friedlaender1997,
  author    = {Friedl{\"a}nder, Saul},
  title     = {Nazi Germany and the Jews: The Years of Persecution, 1933--1939},
  publisher = {Weidenfeld \& Nicolson},
  year      = {1997},
}

@book{mazower1998,
  author    = {Mazower, Mark},
  title     = {Dark Continent: Europe's Twentieth Century},
  publisher = {Knopf},
  address   = {New York},
  year      = {1998},
}

@book{paxton2004,
  author    = {Paxton, Robert O.},
  title     = {The Anatomy of Fascism},
  publisher = {Knopf},
  address   = {New York},
  year      = {2004},
}

@book{snyder2010,
  author    = {Snyder, Timothy},
  title     = {Bloodlands: Europe Between Hitler and Stalin},
  publisher = {Basic Books},
  address   = {New York},
  year      = {2010},
}

@book{tooze2014,
  author    = {Tooze, Adam},
  title     = {The Deluge: The Great War and the Remaking of Global Order},
  publisher = {Allen Lane},
  address   = {London},
  year      = {2014},
}

@book{browning2017,
  author    = {Browning, Christopher R.},
  title     = {The Origins of the Final Solution: The Evolution of Nazi Jewish Policy, September 1939--March 1942},
  publisher = {Penguin},
  year      = {2017},
  note      = {Comprehensive synthesis of the intentionalist-functionalist debate.},
}