CBSE Class 12 Political Science Chapter 3: US Hegemony in World Politics NCERT Solutions

Reviewed by NCERT Help Editorial Team · Updated on 29 Jul 2026

NCERT Solutions PDF Class 12 PDF

This chapter delves into the concept of hegemony in international relations, focusing on the United States' dominant position in the post-Cold War world. The NCERT Solutions for Class 12 Political Science, Chapter 3, 'US Hegemony in World Politics,' provide detailed explanations and answers to textbook questions. Students will explore the different dimensions of US hegemony, including its hard power (military), structural power (economic and institutional), and soft power (cultural influence). The solutions also examine the constraints on US dominance and compare its contemporary position with its superpower status during the Cold War. These solutions are designed to help students grasp complex geopolitical concepts and prepare effectively for their board examinations by offering clear, concise, and accurate explanations.

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Board	CBSE
Class	Class 12
Subject	Political Science
Session	2026
Language	English
Type	NCERT Solutions
Chapter	Part 1 - 3. US Hegemony in World Politics

Chapter summary

This chapter focuses on understanding the concept of hegemony, particularly the dominance of the United States in the post-Cold War era. The NCERT Solutions cover the various forms of US hegemony – hard power, structural power, and soft power – with examples. It also addresses the constraints on US power and contrasts its current superpower status with its role during the Cold War. The solutions aim to provide clarity on the dynamics of global power and US influence in contemporary world politics.

Learning outcomes

Understand the concept of hegemony and its different forms.
Identify and differentiate between hard power, structural power, and soft power.
Analyze the nature of US dominance in the post-Cold War world.
Recognize the constraints on US hegemony.
Compare the US's superpower status during the Cold War with its contemporary position.
Explain the significance of Operation Iraqi Freedom in the context of US hegemony.

Topics covered

Paper topics

Hegemony
US Hegemony
Hard Power
Structural Power
Soft Power
Post-Cold War World Order
Operation Iraqi Freedom
Constraints on US Hegemony
Superpower Status
International Relations

Important topics

Understanding Hegemony
Types of Hegemony (Hard, Structural, Soft)
US Dominance Post-Cold War
Constraints on US Hegemony
Comparison with Cold War Superpower Role

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Questions and Solutions

Question 1

Which among the following statements about hegemony is incorrect?

(a) The word implies the leadership or predominance of one State.

(b) It was used to denote the predominance of Athens in the ancient Greece.

(d) Hegemonic position is fixed. Once a hegemon, always a hegemon.

Solution: The incorrect statement is (d). Hegemony is not a fixed or permanent condition. The power and influence of a hegemonic state can wane over time due to various internal and external factors. While unchallenged military power (c) is often a component of hegemony, and the term historically relates to the dominance of states like Athens (b), the core idea is leadership or predominance (a), which is dynamic, not static.

Question 2

Which among the following statements is wrong about the contemporary world order?

(a) There is an absence of world government, which could regulate the State's behaviour.

(b) The US is the predominant player in world affairs.

(d) States, which violate international law, are severely punished by the UN.

Solution: The statement that is wrong about the contemporary world order is (d). While the UN exists to maintain international peace and security, its ability to severely punish all states that violate international law is often limited by political realities, including the veto power of permanent Security Council members and the varying interests of member states. The other statements are generally considered accurate descriptions of the current global landscape: the absence of a world government, the US's predominant role, and the reality of states using force.

Question 3

Which among the following statements is wrong with regard to Operation Iraqi Freedom?

(a) More than forty countries joined in the US led coalition of the willing to invade Iraq.

(b) The reason given for invading Iraq was to prevent it from developing weapons of mass destruction.

(d) The US-led coalition did not face major resistance from Iraqi forces.

Solution: The wrong statement regarding Operation Iraqi Freedom is (c). The invasion of Iraq in 2003, known as Operation Iraqi Freedom, was launched by a US-led coalition without the explicit prior approval of the United Nations Security Council. While the US cited reasons such as preventing the development of weapons of mass destruction (b) and formed a 'coalition of the willing' (a), the lack of UN Security Council authorization was a significant point of contention. Reports also indicated that the coalition did face resistance from Iraqi forces, though the scale varied.

Question 4

Give an example each of the three types of hegemony that are dealt within the chapter. Do not cite examples that are in the chapter.

Solution: The chapter discusses hegemony in terms of hard power, structural power, and soft power. Here are examples for each, distinct from those in the textbook:

Hegemony as Hard Power: The deployment of a large naval fleet by a superpower to enforce a maritime blockade during a regional conflict, demonstrating overwhelming military capability and the willingness to use it to achieve strategic objectives.
Hegemony as Structural Power: The influence exerted by a major economic power through its control over international financial institutions, setting global trade rules, and influencing the economic policies of developing nations through loans and aid conditionalities.
Hegemony as Soft Power: The global appeal and widespread adoption of a nation's popular culture, such as its music, films, and fashion, which shapes international perceptions and preferences, making its values and lifestyle desirable to others.

Question 5

Mention three ways in which US dominance since the Cold War is different from its position as a superpower during the Cold War.

Solution: US dominance since the Cold War differs from its superpower status during the Cold War in several key ways:

Nature of Rivalry: During the Cold War, the US faced a bipolar world with a powerful rival, the Soviet Union, capable of challenging its dominance, particularly in hard power. In the post-Cold War era, the US emerged as the sole superpower, facing no comparable military or political rival, leading to a unipolar moment.
Scope of Influence: While the US was a dominant power during the Cold War, its influence was often contested and balanced by the Soviet bloc. Post-Cold War, US dominance extended more comprehensively across military, economic, and cultural spheres, allowing it to shape global agendas more freely.
Manifestation of Power: During the Cold War, the US had to be cautious about direct military confrontation due to the risk of nuclear escalation. Post-Cold War, the US has shown a greater willingness to use its hard power unilaterally or with limited coalitions, as seen in interventions, while also leveraging its structural and soft power more extensively to maintain its hegemonic position.

Question 6

Match the following:

Operations:

Operation Desert Storm
Operation Enduring Freedom
Operation Iraqi Freedom
Operation Infinite Reach

Descriptions:

Coalition of the Willing to invade Iraq
Missile attack in Sudan
War against Al-Qaeda and Taliban
First Gulf War

Solution: The correct matching of the operations with their descriptions is as follows:

Operation Desert Storm corresponds to (d) First Gulf War. This was the 1991 military operation to liberate Kuwait from Iraqi occupation.
Operation Enduring Freedom corresponds to (c) War against Al-Qaeda and Taliban. This operation began in Afghanistan following the 9/11 attacks.
Operation Iraqi Freedom corresponds to (a) Coalition of the Willing to invade Iraq. This was the 2003 invasion of Iraq.
Operation Infinite Reach corresponds to (b) Missile attack in Sudan. This was a series of US missile strikes in 1998 against targets in Sudan and Afghanistan.

Question 7

What are the constraints on American hegemony today? Which one of these do you expect to get more important in the future?

Solution: There are several constraints on American hegemony today:

Internal Institutional Constraints: The US possesses an institutional architecture, particularly the division of powers among its three branches of government (executive, legislative, judicial). This system allows for checks and balances, where one branch can place significant limitations on the actions of another, including the executive branch's ability to exercise military power unrestrainedly.
Openness of American Society: The open nature of American society, despite efforts to shape domestic opinion, fosters skepticism towards government purposes and methods, especially concerning overseas military actions. Public opinion and domestic political discourse can act as a significant constraint on foreign policy decisions and military engagements.
International Alliances and Institutions: While the US often acts unilaterally, it also has a vested interest in maintaining alliances, such as NATO. The need to manage these alliances and consider the perspectives and interests of allies can moderate the exercise of US hegemony. Allies may push back or require consensus, limiting the scope for purely unilateral action.

Future Importance: It is difficult to definitively predict which constraint will become most important. However, the interplay between internal political divisions and the increasing assertiveness of allies or emerging powers on the global stage could significantly shape the future exercise of US hegemony. The need to build and maintain international coalitions might become increasingly crucial, thereby amplifying the importance of managing alliances and international opinion.

Common mistakes

Confusing hegemony with simple dominance or leadership.
Failing to distinguish between the different types of power (hard, soft, structural).
Assuming US hegemony is absolute and without constraints.
Incorrectly identifying the reasons or approvals for military operations like Operation Iraqi Freedom.

Revision tips

Clearly define hegemony and its three main types (hard, structural, soft) with examples.
Analyze the specific constraints on US power mentioned in the solutions.
Compare and contrast the US's role as a superpower during the Cold War versus the post-Cold War era.
Understand the context and implications of key events like Operation Iraqi Freedom.
Practice identifying real-world examples of each type of hegemony not mentioned in the textbook.

Practice MCQs

Q1. Which statement about hegemony is incorrect according to the chapter?

Q2. Which of the following is NOT a characteristic of the contemporary world order as described in the solutions?

Q3. What was a primary reason cited for the US-led invasion of Iraq in Operation Iraqi Freedom?

Q4. Which type of hegemony is best illustrated by the influence of American culture, ideas, and values globally?

Q5. According to the solutions, which of the following is a constraint on American hegemony?

Frequently asked questions

What is hegemony in the context of world politics?

Hegemony refers to the leadership or predominance of one state over others, characterized by its ability to shape international outcomes and influence global norms and institutions.

What are the three types of hegemony discussed in the chapter?

The chapter discusses hegemony as hard power (military dominance), structural power (economic and institutional influence), and soft power (cultural and ideological attraction).

How is US dominance today different from its superpower status during the Cold War?

During the Cold War, the US faced a rival superpower (the Soviet Union) and had to contend with its retaliatory capacity. Today, while still dominant, the US faces different kinds of challenges and operates in a unipolar world, with distinct manifestations of its power.

What are some key constraints on US hegemony?

Constraints include the internal institutional architecture of the US government (separation of powers), the open nature of American society leading to skepticism, and the need to manage alliances like NATO.

What was Operation Iraqi Freedom and why is it relevant to US hegemony?

Operation Iraqi Freedom was a US-led invasion of Iraq. Its relevance lies in questions about its justification, the coalition involved, and whether it had UN approval, highlighting aspects of US unilateral action and its impact on international order.

How can these NCERT Solutions help in preparing for exams?

These solutions provide clear, rewritten answers to textbook questions, explaining complex concepts like hegemony and US dominance in an understandable way, aiding revision and exam preparation.

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