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🗳️AP Comparative Government Unit 3 Review

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3.9 Challenges of Political and Social Cleavages

3.9 Challenges of Political and Social Cleavages

Written by the Fiveable Content Team • Last updated June 2026
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated June 2026
🗳️AP Comparative Government
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Social and political cleavages can challenge stability when groups compete over identity, resources, autonomy, or representation. Cleavages may push governments to adjust policy, decentralize power, use coercion, or face pressure from neighboring states. For AP Comparative Government, explain how regime type shapes whether cleavages are managed through institutions or become sources of instability.

Why This Matters for the AP Comparative Government Exam

This topic gives you the language to explain why divided societies become unstable and how governments try to hold multinational states together. That thinking shows up across the exam. You may need to apply cleavage concepts to a course country in a concept-application question, compare how two countries respond to internal divisions, read data about ethnic or regional conflict and connect it to stability, or build an argument about legitimacy and participation.

Unit 3 makes up a meaningful part of the exam, and cleavage challenges connect directly to legitimacy and stability, which run through the whole course. Being able to name a specific challenge and tie it to a real response in China, Iran, Mexico, Nigeria, Russia, or the United Kingdom is exactly the kind of evidence that earns points.

Key Takeaways

  • Governments in multinational states face four main challenges from cleavages: group and party competition, perceived loss of authority and legitimacy, pressure for autonomy or secession (including intergroup conflict, terrorism, and civil war), and encroachment by neighboring states that sense weakness.
  • Cleavages exist in every regime type. The difference is how the government responds, not whether divisions are present.
  • State responses range from harsh repression to recognition of minorities, autonomous regions, and minority representation in government.
  • How a state handles cleavages affects its legitimacy, the stability of citizen-state relationships, and how groups relate to each other.
  • Authoritarian regimes usually respond more harshly to politicized cleavages to keep order and control.
  • Strong evidence pairs a specific challenge with a specific course country response.

The Four Challenges Governments Face

When cleavages become politicized, governments in multinational states run into predictable problems. These are the four challenges to focus on.

Conflicting interests and competition among groups and political parties

Divided groups often form parties or movements that push against each other. This can polarize politics, but it can also be worked out through dialogue and negotiation.

Example (application): In Mexico, the Zapatista movement became more active around the signing of NAFTA because supporters argued the trade deal would harm indigenous communities, while others saw the agreement as a step toward integrating Mexico into the global market. This shows how an economic policy can activate an existing ethnic and regional cleavage.

Perceived lack of governmental authority and legitimacy

When the state cannot manage divisions, some groups start to question its authority and push for more autonomy or full separation. A government that looks unable to control parts of its territory can lose legitimacy in the eyes of citizens.

Example (application): In the United Kingdom, the Scottish National Party has continued to push for independence, and tensions rose around Brexit. Scotland has its own legal system and distinct identity, which keeps the question of separation alive.

Pressure for autonomy or secession, intergroup conflict, terrorism, and civil war

Some long-standing cleavages gain hard power and become a direct threat to other groups, the government, or the wider population.

Example (application): In Nigeria, Boko Haram grew into a violent threat as it tried to impose strict religious law, leading to widespread human rights abuses. This is an example of a cleavage that escalated into terrorism and armed conflict.

Encroachment of neighboring states that sense weakness

When a government looks weak or divided, neighboring states may sense vulnerability and try to take advantage. A government may also take extreme action to project strength and protect its legitimacy.

Example (application): Russia's 2022 invasion of Ukraine is often cited as an attempt to assert power in its region. It shows how perceived weakness and regional ambitions can pull neighboring states into conflict.

How States Respond to Cleavages

Cleavages are internal divisions usually based on ethnicity, religion, territory, or class. Once they become politicized, they shape political behavior and the relationship between citizens and the state.

State responses fall along a wide range:

  • Brute repression of minority groups
  • Recognition of ethnic or religious minorities
  • Creation of autonomous regions
  • Representation of minorities in government institutions

The response a state chooses affects how much legitimacy citizens grant it. Authoritarian states tend to react more harshly to politicized cleavages in order to keep order and maintain control, while democratic states are more likely to use recognition or power-sharing.

How to Use This on the AP Comparative Government Exam

Concept Application

When a prompt names a challenge like secession pressure or terrorism, connect it to a specific course country and a specific government response. A claim like "cleavages cause instability" is weak on its own. Pair it with evidence: name the group, the cleavage, and what the government did.

Country Comparison

Be ready to compare how two countries handle the same kind of cleavage. For example, ethnicity has played a larger role in Nigeria than in Mexico because of different colonial histories and the greater diversity and politicization of identities in Nigeria. Comparisons earn more when you explain the why, not just the difference.

Data Analysis

If you get data on conflict, autonomy movements, or minority protections, describe the pattern first, then connect it to a concept like legitimacy or stability, and finish by drawing a conclusion about that country's political system. Do not stop at describing numbers.

Argumentation

For an argument essay, you might defend a claim about whether repression or accommodation does more to stabilize a divided state. Use evidence from course countries and respond to an alternate view, such as the idea that harsh control keeps order at the cost of legitimacy.

Common Trap

Watch for prompts that assume cleavages only matter during elections or only exist in one type of regime. The strongest responses show that the challenge is about state stability and legitimacy, and that the key variable is the government's response.

Common Misconceptions

  • Cleavages are not limited to democracies. Every regime type has internal divisions; what differs is how the government manages them.
  • Cleavages do not automatically cause civil war or collapse. They create challenges, and outcomes depend heavily on how the state responds.
  • Repression is not the only response. States can also recognize minorities, create autonomous regions, or give minorities representation in government.
  • Legitimacy is not the same as raw power. A government can hold territory by force and still lose legitimacy if citizens reject its authority.
  • Contemporary events like Brexit, Boko Haram, or the war in Ukraine are useful examples, not required AP content. Use them to illustrate the challenges, not as terms you must memorize.

Vocabulary

The following words are mentioned explicitly in the College Board Course and Exam Description for this topic.

Term

Definition

autonomy

Self-governance or the right of a group or region to make decisions about its own affairs while remaining part of a larger state.

civil war

Armed conflict between groups within the same state, typically involving the government and one or more opposing factions.

governmental legitimacy

The degree to which citizens accept and recognize the authority and right of a government to make and enforce decisions.

intergroup conflict

Tensions, disputes, or violence between different groups within a society, often based on ethnic, religious, or political differences.

multinational states

Countries that contain multiple distinct ethnic, national, or cultural groups within their borders.

political stability

The condition of a political system characterized by predictable governance, absence of violent conflict, and continuity of institutions.

secession

The formal withdrawal of a region or group from a state to form an independent political entity.

social cleavages

Deep divisions within society based on factors such as ethnicity, religion, class, or culture that can create distinct groups with competing interests and influence political behavior and stability.

terrorism

The use of violence and intimidation by non-state actors to create fear and achieve political objectives.

Frequently Asked Questions

What are political and social cleavages?

Political and social cleavages are divisions in society, such as ethnicity, religion, region, class, or language, that shape political behavior and relationships between citizens and the state.

Why do cleavages matter in AP Comparative Government?

Cleavages matter because they can affect legitimacy, political stability, citizen relationships, party competition, and government responses in multinational states.

What challenges do cleavages create for governments?

Cleavages can create group competition, perceived loss of authority, pressure for autonomy or secession, intergroup conflict, terrorism, civil war, and pressure from neighboring states.

How do governments respond to social cleavages?

Governments may use repression, recognition of minority groups, autonomous regions, representation, negotiation, or power-sharing. The response affects legitimacy and stability.

How can cleavages affect multinational states?

In multinational states, cleavages can make groups question state authority, demand autonomy, support secession, or compete with other groups for power and resources.

What is a course-country example of a social cleavage?

Examples include ethnic and regional cleavages in Nigeria, Scottish nationalism in the United Kingdom, and ethnic or regional tensions in China or Russia. Strong AP answers connect a specific cleavage to a specific government response.

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