7.4 Economy in the Interwar Period

TLDR

After World War I and the start of the Great Depression, governments around the world took a much bigger role in managing their economies. The key pattern for AP World History is that different political systems responded to the same crisis in very different ways: democratic states like the United States used regulation and welfare programs, the Soviet Union used total state control through its Five Year Plans, and fascist governments in Italy and Germany used corporatist control. Understanding these contrasting responses helps you compare governments and trace causation into World War II.

AP World 7.4 Economy in the Interwar Period

AP World History Topic 7.4 is about how governments responded to economic crisis after World War I and during the Great Depression. The required core idea is that governments began taking a more active role in economic life. The Soviet Union's Five-Year Plans are the required government response, while the New Deal, fascist corporatist economies in Italy and Germany, and governments with strong popular support in Brazil and Mexico are useful examples.

For the exam, organize this topic by comparison. All of these governments expanded state involvement in the economy, but they differed in ideology, methods, and effects on ordinary people. A democratic welfare-and-regulation approach is not the same as a command economy or fascist corporatism.

Why This Matters for the AP World History Exam

This topic is built around one core skill: explaining how different governments responded to economic crisis after 1900. That makes it a strong fit for comparison and causation questions.

You can use this material to:

• Compare how democratic, communist, and fascist states handled the Great Depression.
• Trace causation from economic collapse to political extremism and the conditions that led to World War II (a connection you will build on in later Unit 7 topics).
• Analyze sources about unemployment, propaganda, and government programs, since the interwar economy produced a lot of charts, posters, and political speeches.

The bigger theme is the shift away from laissez-faire economics toward active government intervention, a change that shaped the rest of the 20th century.

Key Takeaways

• After WWI and the onset of the Great Depression, governments began taking a more active role in economic life. This is the central required idea of the topic.
• In the Soviet Union, the government controlled the national economy through the Five Year Plans, often using repressive policies that caused serious harm to the population.
• The United States New Deal, the fascist corporatist economies in Italy and Germany, and governments with strong popular support in Brazil and Mexico are useful examples of government intervention. Treat these as examples, not as a fixed required list.
• The Great Depression spread globally because economies were interconnected through debt, trade, and investment, so a collapse in one major economy rippled outward.
• Practice comparing these responses by their goals, methods, and results, not just by their leaders' names.

How to Use This on the AP World History Exam

Comparison

This topic is ideal for comparison prompts. Set up a clean contrast among three response types:

• Democratic intervention: regulation plus welfare while keeping a market economy (New Deal).
• Communist command economy: total state control of industry and agriculture (Soviet Five Year Plans).
• Fascist corporatism: state-directed economy with private ownership but suppressed labor (Italy and Germany).

A strong comparison names a clear similarity (all expanded government control over the economy in response to crisis) and a clear difference (how much freedom and private ownership each allowed).

Causation

Use the interwar economy as a cause, not just an event. The global economic crisis weakened public faith in existing governments and helped extremist and totalitarian movements gain support. That link feeds directly into the causes of World War II, which you cover later in this unit.

Using Sources Effectively

Interwar sources often include unemployment data, government program posters, or speeches defending a leader's economic plan. When you analyze them, think about the source's purpose. A government poster promoting public works or industrial quotas is trying to build support, so read it as persuasion, not neutral reporting.

Common Trap

Do not treat every government response as the same just because they all "got more involved." The amount of control and the cost to people varied enormously. Show that difference in your evidence.

Government Responses to Economic Crisis

The required core of this topic is simple to state and important to remember: following World War I and the onset of the Great Depression, governments began to take a more active role in economic life. Before this, many industrialized states leaned on laissez-faire ideas, trusting markets to correct themselves. The scale of the Depression made that approach hard to defend.

The one government response named as required content is the Soviet Union's. Under the Five Year Plans, the state controlled the national economy and often used repressive policies that brought negative repercussions for the population. Everything else below is an example of the broader pattern of intervention.

The Great Depression Spreads Globally

The 1920s saw some recovery, but the global economy stayed fragile. When the United States economy collapsed in 1929, the damage spread worldwide because economies were tightly linked.

• European countries were caught in a cycle of debt, owing money to each other and to the United States while depending on payments and loans to keep it moving.
• Foreign investors pulled money out of Europe, and credit dried up.
• Industrial output slowed, causing mass unemployment.
• Agricultural exports from colonies and rural economies were hit especially hard as demand and prices fell.

Colonial and export-dependent economies often suffered disproportionately, which deepened global inequality. This global reach is why the Depression matters in a world history course and not just a national one.

Example: The United States New Deal

The New Deal is a useful example of democratic intervention. Under President Franklin D. Roosevelt, the government used regulation and public spending to stabilize capitalism rather than replace it.

• Public works programs created jobs.
• Social welfare programs and labor protections expanded the government's role.
• New rules aimed to restore confidence in banks and the financial system.

The New Deal did not fully end the Depression, but it expanded federal responsibility for economic well-being and became a model many later welfare states drew on. British economist John Maynard Keynes provided much of the theory behind this approach, arguing that governments should stimulate demand during downturns.

Example: The Soviet Five Year Plans

The Soviet response is the required example of a fully state-controlled economy. Under Joseph Stalin, the Five Year Plans (beginning in 1928) aimed to industrialize rapidly and catch up with the West.

• The state prioritized heavy industry like steel, coal, and machinery over consumer goods.
• Agriculture was collectivized, forcing private farms into state-run collectives.
• Farmers faced production quotas, and failure could bring punishment, imprisonment, or death.

The plans produced rapid industrial growth, but at a devastating human cost, including famine in Ukraine and widespread repression. This combination of total control and harm to the population is exactly what the required content points to.

Example: Fascist Corporatism in Italy and Germany

Fascist corporatist economies are another named example of intervention. In Italy under Benito Mussolini, the government organized the economy into corporations and labor groups that the state oversaw.

• In theory, this aligned the interests of the state, workers, and employers.
• In practice, it suppressed labor rights and put production under state direction while keeping much private ownership.
• Economic results were limited, and Italy stayed relatively weak.

A similar pattern of state-directed economic mobilization developed under Adolf Hitler in Germany. Fascist governments used economic control as part of a broader push to organize all of society around the state.

Comparing the Responses

This table summarizes the contrasts you can use in a comparison answer. Use it to spot similarities and differences quickly.

The shared theme is that all of these states expanded government control over the economy in response to crisis. The sharpest difference is how much personal and economic freedom each system allowed, and how much it harmed its own people to reach its goals.

How the Interwar Economy Connects to What Comes Next

These economic responses did more than manage money. The crisis weakened trust in older systems and helped fascist and totalitarian regimes gain power, especially in Germany. Combined with the unresolved grievances from the World War I peace settlement, the economic turmoil of this era set up the conditions for World War II. You will build on this causation chain in the next topics of Unit 7.

Common Misconceptions

• "The New Deal ended the Great Depression." It helped stabilize the economy and expanded government's role, but it did not fully end the Depression on its own.
• "All interwar governments responded the same way." They all expanded state involvement, but the methods ranged from democratic regulation to total command economies and fascist corporatism, with very different costs.
• "The Five Year Plans were just an economic policy." They were a system of total state control that included repressive policies and caused mass suffering, not just industrial planning.
• "Corporatism means free-market capitalism." Fascist corporatism kept private ownership but put the economy under state direction and suppressed independent labor, so it was not a free market.
• "The Great Depression was mainly a U.S. problem." Because economies were interconnected through debt, trade, and investment, the crisis was global, and colonial and export economies were often hit hardest.
• "The named examples are a required checklist." The New Deal, fascist corporatism, and the Brazilian and Mexican governments are examples of intervention. The one government response treated as required content is the Soviet Union's.

Related AP World History Guides

• Unit 7 Overview: Global Conflict
• 7.1 Shifting Power After 1900
• 7.2 Causes of World War I
• 7.5 Unresolved Tensions After World War I
• 7.3 Conducting World War I
• 7.6 Causes of World War II