NCERT Class 12 Political Science Contemporary World Politics: Chapter 1 — The End of Bipolarity
This chapter, 'The End of Bipolarity', from NCERT's Contemporary World Politics for Class 12, discusses the collapse of the Soviet Union and the end of the Cold War. It begins with the symbolic fall of the Berlin Wall in 1989, leading to the unification of Germany and the replacement of communist governments in Eastern Europe. The chapter explains the Soviet system, its origins in the 1917 socialist revolution, and its planned economy with state ownership. It highlights the bureaucratic and authoritarian nature of the Soviet system, the dominance of the Communist Party, and the suppression of dissent. The text also covers the formation of the 'Second World' or socialist bloc under Soviet leadership after World War II. Finally, it touches upon the consequences of the Soviet disintegration and India's current relationship with these nations, providing essential context for understanding contemporary global politics.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 12 |
| Subject | Political Science |
| Book | Contemporary World Politics |
| Chapter | Chapter 1 — The End of Bipolarity |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 4 minutes |
| Word count | 788 |
Learning outcomes
- Understand the historical context and significance of the end of the Cold War.
- Analyze the causes and consequences of the disintegration of the Soviet Union.
- Describe the features and functioning of the Soviet system.
- Explain the formation and role of the 'Second World' or socialist bloc.
- Relate the events of the end of bipolarity to contemporary global politics and India's foreign policy.
Vocabulary
| Word | Meaning |
|---|---|
| Bipolarity | A state of the world involving two opposing powers or blocs. |
| Cold War | A state of geopolitical tension after World War II between powers in the Eastern Bloc (Soviet Union and its allies) and powers in the Western Bloc (United States, its NATO allies and others). |
| Socialist Revolution | A revolution aiming to establish a socialist state. |
| Egalitarian Society | A society that believes in the principle that all people are equal and deserve equal rights and opportunities. |
| Private Property | Property owned by individuals or companies, not by the government. |
| Planned Economy | An economic system in which the government or a central authority plans the allocation of resources and production. |
| Bureaucratic | Relating to or characterized by bureaucracy; excessively complicated and indirect. |
| Authoritarian | Favoring or enforcing strict obedience to authority at the expense of personal freedom. |
| Dissent | The expression or holding of opinions at variance with those commonly or officially held. |
| Warsaw Pact | A collective defence treaty signed in Warsaw between the Soviet Union and seven other Eastern Bloc socialist republics of Central and Eastern Europe in May 1955. |
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Practice questions
- What event is considered the greatest symbol of the Cold War that was toppled in 1989? Answer: The Berlin Wall.
- What was the 'Second World' or 'socialist bloc'? Answer: The group of East European countries that were part of the Soviet bloc and had political and economic systems modelled after the USSR.
- What was the primary form of ownership in the Soviet system? Answer: State ownership was the dominant form of ownership.
- What was the role of the Communist Party in the Soviet political system? Answer: The Communist Party centred the Soviet political system, had tight control over all institutions, and no other political party or opposition was allowed.
- What led to the end of the Cold War, according to the overview? Answer: The end of the Cold War was not by military means but as a result of mass actions by ordinary men and women, leading to the collapse of the Soviet Union.
Practice MCQs
Q1. The Berlin Wall, a symbol of the Cold War, was toppled in which year?
Explanation: The Berlin Wall, built in 1961, was toppled by the people on 9 November 1989, symbolizing the end of the Cold War era.
Q2. Which revolution inspired the formation of the Union of Soviet Socialist Republics (USSR)?
Explanation: The USSR came into being after the socialist revolution in Russia in 1917, inspired by the ideals of socialism.
Q3. What was a key characteristic of the Soviet economy?
Explanation: The economy was planned and controlled by the state, with state ownership being the dominant form of ownership.
Q4. The group of East European countries under Soviet influence after WWII was known as:
Explanation: These countries, politically and economically modelled after the USSR, were called the Second World or the 'socialist bloc'.
Q5. Which military alliance held the socialist bloc countries together?
Explanation: The Warsaw Pact was a military alliance that held the East European countries under Soviet control together.
Q6. What was a major criticism of the Soviet political system?
Explanation: The Soviet system became very bureaucratic and authoritarian, leading to a lack of democracy and absence of freedom of speech.
Frequently asked questions
What event marked the beginning of the end of the Cold War?
The toppling of the Berlin Wall by the people in 1989 is considered a dramatic and symbolic event that marked the beginning of the end of the Cold War.
What was the Soviet system based on?
The Soviet system was based on the ideals of socialism, aiming for an egalitarian society by abolishing private property and establishing state ownership and a planned economy, with the Communist Party at its center.
What were the main criticisms of the Soviet system?
The Soviet system was criticized for being bureaucratic and authoritarian, lacking democracy and freedom of speech, and for the dominance of the Communist Party which was unaccountable to the people.
What was the 'Second World'?
The 'Second World' or 'socialist bloc' comprised East European countries that came under the control of the USSR after World War II, with their political and economic systems modelled after the Soviet Union.
How did the Cold War end according to the chapter overview?
The chapter overview suggests the Cold War ended not by military means but as a result of mass actions by ordinary people, leading to the collapse of the Soviet Union.
Who was Vladimir Lenin in the context of the Soviet Union?
Vladimir Lenin was the founder of the Bolshevik Communist party, the leader of the Russian Revolution of 1917, and the first head of the USSR.
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NCERT Class 12 Political Science — Contemporary World Politics — Chapter 1 — The End of Bipolarity. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.