---
title: "USSR — AP European History Definition & Exam Guide"
description: "The USSR was the communist single-party state (1922-1991) born from the Russian Revolution. It anchors AP Euro Units 8-9, from Stalin to the Cold War's end."
canonical: "https://fiveable.me/ap-euro/key-terms/ussr"
type: "key-term"
subject: "AP European History"
unit: "Unit 9"
---

# USSR — AP European History Definition & Exam Guide

## Definition

The USSR (Union of Soviet Socialist Republics, 1922-1991) was the communist, single-party state created after the Bolshevik Revolution that became one of two postwar superpowers, dominating Eastern Europe through the Warsaw Pact and COMECON until its 1991 collapse ended the Cold War.

## What It Is

The USSR, or [Soviet Union](/ap-euro/key-terms/soviet-union "fv-autolink"), was the world's first [communist state](/ap-euro/unit-8/russian-revolution-effects/study-guide/NLQ5ffQbY6V7jTD9nB7F "fv-autolink"), formally established in 1922 after the Bolsheviks won the Russian Civil War. On paper it was a federation of republics. In practice it was a single-party state run by the Communist Party, built on Marxist-Leninist ideology (KC-4.2.I). Under Stalin, the regime pushed rapid, centralized economic modernization through Five Year Plans and collectivization, and it paid for that speed with the liquidation of the kulaks, devastating famine in Ukraine, political purges, and an oppressive totalitarian system (LO 8.6.B).

After [World War II](/ap-euro/unit-8/world-war-ii/study-guide/U4UCrRJlJSuTdFmINVgr "fv-autolink"), the USSR emerged as one of two superpowers and pulled the countries east of the Iron Curtain under its military, political, and economic control through the Warsaw Pact and COMECON (KC-4.1.IV.D). For nearly half a century, it stood as the communist East against the liberal democratic West. Gorbachev's reforms of perestroika and glasnost were meant to make the system more flexible, but instead they accelerated its unraveling. The USSR collapsed in 1991, ending the Cold War (KC-4.1.IV.E).

## Why It Matters

The USSR is the connective tissue of [AP Euro](/ap-euro "fv-autolink") Period 4. It shows up in [Unit 8](/ap-euro/unit-8 "fv-autolink") as the product of the Russian Revolution (LO 8.3.A) and as Stalin's totalitarian state (LO 8.6.B), then dominates Unit 9 as one of the two superpowers (LO 9.4.A), the eastern pole of the Cold War (LO 9.3.A), and the state whose collapse reshaped the map of Europe (LO 9.7.A). KC-4.1 frames the whole period as total war giving way to a 'polarized state order,' and the USSR is one of the two poles. If you can trace the Soviet Union from 1917 to 1991, you have a ready-made spine for any change-and-continuity argument about 20th-century Europe.

## Connections

### Russian Revolution (Unit 8)

The USSR didn't appear out of nowhere. World War I broke the tsarist regime, the Bolsheviks toppled the [Provisional Government](/ap-euro/key-terms/provisional-government "fv-autolink") in 1917, and the state they built after winning the civil war became the Soviet Union in 1922. The revolution is the cause; the USSR is the effect that lasts 69 years.

### Fascism and Totalitarianism (Unit 8)

The CED treats [Stalin](/ap-euro/key-terms/stalin "fv-autolink")'s USSR alongside Hitler's Germany and Mussolini's Italy as totalitarian regimes, but the ideologies were opposites. Fascism glorified the nation; Soviet communism claimed to be building a classless society. The exam loves this comparison because the methods (terror, propaganda, one-party control) look similar while the goals don't.

### The Cold War (Unit 9)

The Cold War is basically the USSR's foreign policy era. Soviet domination east of the [Iron Curtain](/ap-euro/key-terms/iron-curtain "fv-autolink") through the Warsaw Pact and COMECON, versus American influence in the West through NATO and the Marshall Plan, divided Europe into two camps for nearly fifty years.

### The Fall of Communism (Unit 9)

Gorbachev's perestroika and glasnost were rescue attempts after decades of economic stagnation, and they failed. The 1991 collapse of the USSR ended the Cold War, reunified Germany, dissolved Yugoslavia, and opened Eastern Europe to capitalist economies and EU expansion.

## On the AP Exam

The USSR is tested as a thread, not a single fact. Multiple-choice questions hit specific moments and ask you to explain or generalize from them, like why the suppression of the 1956 Hungarian Revolution shows continuity in Soviet control of Eastern Europe, how COMECON's central planning held back Eastern European economies, why the Baltic states raced toward Western institutions after 1991, or how nuclear weapons changed European geopolitics once both superpowers had them. On FRQs and DBQs, the USSR is most useful for causation arguments (Russian Revolution leading to a Marxist-Leninist state, Gorbachev's reforms leading to collapse) and for comparison prompts pairing Stalinist totalitarianism with fascist regimes. Be precise with chronology. Lenin's revolution, Stalin's Five Year Plans, postwar bloc-building, and Gorbachev's reforms are four different eras, and mixing them up costs you.

## USSR vs Russia

Russia was the largest republic inside the USSR, but they're not the same thing. The Russian Empire fell in 1917, the USSR existed from 1922 to 1991 and included republics like Ukraine, the Baltic states, and Central Asian territories, and modern Russia is the successor state after 1991. On the exam, write 'Russia' for events before 1922, 'the USSR' or 'Soviet Union' for 1922-1991, and 'Russia' again after the collapse. Sloppy labels make your chronology look shaky.

## Key Takeaways

- The USSR was the communist single-party state created in 1922 after the Bolshevik Revolution and civil war, governed on Marxist-Leninist principles.
- Stalin modernized the Soviet economy through Five Year Plans and collectivization, but the cost included the liquidation of the kulaks, famine in Ukraine, and political purges.
- After World War II, the USSR became one of two superpowers and dominated Eastern Europe through the Warsaw Pact and COMECON, creating the Iron Curtain divide.
- Soviet control of its satellites was enforced by force, as the crushing of the 1956 Hungarian Revolution shows.
- Gorbachev's perestroika and glasnost were meant to save the Soviet system but instead helped trigger its 1991 collapse, which ended the Cold War.
- The fall of the USSR led to capitalist economies across Eastern Europe, German reunification, the dissolution of Yugoslavia, and EU enlargement.

## FAQs

### What was the USSR in AP Euro?

The USSR (Union of Soviet Socialist Republics) was the communist single-party state that existed from 1922 to 1991. In AP Euro it spans Units 8 and 9, from the Russian Revolution and Stalin's totalitarianism to the Cold War and the 1991 collapse.

### Is the USSR the same as Russia?

No. Russia was just the largest of the Soviet republics. The USSR also included Ukraine, the Baltic states, and others, and it only existed from 1922 to 1991. Use 'Russia' for pre-1922 and post-1991 events and 'USSR' in between.

### Was the USSR fascist?

No. The CED classifies Stalin's USSR as totalitarian, like fascist Germany and Italy, but its ideology was communist, the opposite of fascism. Fascists glorified the nation and rejected class struggle; the Soviets claimed to be abolishing class altogether. The shared traits were the methods: terror, propaganda, and one-party rule.

### Why did the USSR collapse in 1991?

Decades of economic stagnation under central planning left the system failing, and Gorbachev's reforms of perestroika (restructuring) and glasnost (openness) loosened control instead of fixing it. The USSR lost its grip on its Eastern European satellites and dissolved in 1991, ending the Cold War.

### How did the USSR control Eastern Europe during the Cold War?

Through military, political, and economic domination, formalized in the Warsaw Pact (military alliance) and COMECON (economic bloc with Soviet-style central planning). When satellites pushed back, like Hungary in 1956, the USSR sent in troops.

## Related Study Guides

- [9.3 The Cold War](/ap-euro/unit-9/cold-war/study-guide/XtWQDaLVAJNKhS2uobTa)
- [9.4 Two Super Powers Emerge](/ap-euro/unit-9/two-superpowers-emerge/study-guide/dAdAjyP3ACYnfKXch6jj)

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