Unit 7.4 — Economy in the Interwar Period

Topic 7.3 covered how the war was fought — including the enormous debt every combatant state took on to finance total-war production. Topic 7.4 covers what happened to the global economy once the fighting stopped: a peace settlement that created a self-reinforcing debt crisis, then a genuinely global economic collapse, and finally two very different national responses to it.

Versailles reparations: the debt chain that never stabilized

The peace settlement imposed harsh reparations payments on Germany, intended to make Germany bear the financial cost of the war. This created an unstable debt chain rather than a resolved settlement: the Dawes Plan later reduced Germany's reparations burden and introduced American loans to keep the payment system functioning, which worked only as long as those loans kept flowing. This chain — American loans to Germany, German reparations to the Allies, Allied war-debt payments back to the United States — kept interwar Europe's finances precariously balanced through the 1920s, but it was a system that depended entirely on continued American lending rather than a genuinely resolved postwar economy.

Hyperinflation: Germany's specific 1923 collapse

Before the Dawes Plan stabilized things, Germany experienced catastrophic hyperinflation in 1923 — the German mark collapsed so completely that, in the era's most memorable illustration, a wheelbarrow full of paper currency couldn't buy a single loaf of bread. This is worth knowing as a specific, dated, and vivid case of currency collapse directly caused by reparations pressure and the government's response of printing money to cover its obligations — a concrete cause-and-effect chain from the Treaty of Versailles to a specific economic catastrophe, and a direct contributor to the political instability that Topic 7.6 will connect to the rise of totalitarian movements in Germany.

The Great Depression: how one stock market crash became global

In 1929, the United States stock market crashed, triggering the Great Depression — and the exam wants you to explain specifically why this became a genuinely global crisis rather than staying confined to the US. Because the world economy was already tightly interconnected — through the debt chain described above, through the export economies established in Topic 6.4, and through the broader economic-imperialism relationships of Topic 6.5 — American demand for imports collapsed alongside American lending, which meant Latin American, Asian, and European economies dependent on exports to the US or on American loans lost both markets and financing at the same time. This is the clearest demonstration in the entire course of how deeply integrated the global economy had become by the 20th century: a financial collapse in one country could no longer stay contained to that country alone.

Two different national responses: the New Deal and Soviet Five-Year Plans

Facing the Depression, different states responded with genuinely different economic models, both worth naming specifically. In the United States, President Franklin D. Roosevelt's New Deal had the government borrow money and directly employ people on public works projects — an expansion of state economic intervention within a still-capitalist framework, a real departure from the more limited government role in Topic 5.7's earlier industrial capitalism. In the Soviet Union, the state pursued a fundamentally different model through the Five-Year Plans: a command economy in which the government directly controlled national production targets rather than relying on markets at all, often enforced through genuinely repressive policies with severe consequences for the population. Pairing the New Deal against the Five-Year Plans gives you a precise comparison of reformist-capitalist versus command-economy responses to the same global crisis.

Why this matters for the exam

Topic 7.4 traces a specific causal chain worth having ready for an essay: Versailles reparations → the Dawes Plan's loan-dependent stabilization → 1929's American crash removing that lending → a genuinely global depression, because the world economy was already interconnected through Unit 6's trade and imperial relationships. Then know the two contrasting policy responses (New Deal vs. Five-Year Plans) precisely, since Topic 7.5–7.6 will connect this economic instability directly to the rise of totalitarian regimes that follow.

Sources: Albert.io AP World History Review, European Interwar Economy.