Skip to main content

International Solidarity

International solidarity is the idea that people, movements, and sometimes states should work across borders to address shared problems and support common political, economic, and human rights goals. In Intro to Political Science, it comes up when you study global justice, transnational activism, and world power.

Last updated July 2026•Fiveable Content Team

What is International Solidarity?

International solidarity is the idea that people and groups in different countries can join forces around shared political and social goals. In Intro to Political Science, it usually shows up as a way of thinking about global cooperation that is not just about governments making treaties, but also about workers, activists, and civil society groups linking up across borders.

The basic idea is simple: some problems do not stay inside one state. Poverty, climate change, labor exploitation, war, migration, and human rights abuses often connect people in one country to decisions made elsewhere. International solidarity says those connections create responsibility, not just awareness. If a factory in one country depends on low-wage labor in another, or if one government cracks down on activists while others stay silent, solidarity is the push to respond together instead of separately.

The term has deep roots in the labor movement. Workers in different countries used solidarity to support strikes, protest bad working conditions, and pressure employers who tried to divide them by nationality. That history matters in political science because it shows solidarity as a strategy, not just a feeling. It can mean coordinated boycotts, shared campaigns, mutual aid, public statements, or international organizations that support a cause.

International solidarity is also tied to critical views of world politics, especially Marxist and feminist perspectives. These approaches ask who benefits from the current global order and who is left out. Solidarity becomes a challenge to unequal systems, especially when wealthier states or powerful institutions shape the rules and poorer regions bear the costs.

At the same time, solidarity is not the same as charity. Charity usually flows one way, from giver to receiver. Solidarity implies standing with others as equals, recognizing that their struggle is linked to yours. In class, that difference often comes up when you compare international aid, grassroots movements, and global governance institutions. You are not just asking whether help is being given, but whether people are acting together to change the power structure behind the problem.

Why International Solidarity matters in Intro to Political Science

International solidarity matters in Intro to Political Science because it gives you a lens for reading global politics beyond state rivalry and diplomacy. A lot of the course focuses on governments, institutions, and sovereignty, but this term shows how nonstate actors and cross-border networks shape outcomes too.

It also helps you interpret current events more clearly. When you see workers in one country supporting labor organizers in another, or environmental groups building a transnational climate campaign, you can identify solidarity as the political logic behind those actions. The same goes for boycott campaigns, refugee support networks, and international pressure on authoritarian governments.

The concept is especially useful in critical worldviews because it highlights inequality in the global system. Instead of treating the world as a level playing field, solidarity asks whether power, labor, and resources are distributed fairly across the Global North and Global South. That makes it a strong concept for essays, discussion posts, and case studies that compare cooperation with domination.

It also gives you a vocabulary for thinking about what makes collective action succeed. Shared identity, common interests, and communication across borders can strengthen a movement, but differences in language, class, race, and national interests can also weaken it. Political science uses international solidarity to explain both the promise and the limits of global cooperation.

Keep studying Intro to Political Science Unit 14

Official unit cheatsheet

open one-pager

How International Solidarity connects across the course

Globalization

Globalization creates the conditions that make international solidarity possible, since trade, migration, media, and supply chains connect people across borders. But globalization can also deepen inequality, which is why solidarity often grows as a response to the harms created by global economic integration. In political science, the two terms are linked but not the same.

Transnationalism

Transnationalism is the broader pattern of people, ideas, and organizations operating across national borders. International solidarity is one way transnationalism becomes political, since it connects activists, unions, and advocacy groups around shared goals. If transnationalism describes the network, solidarity describes the commitment that makes the network action-oriented.

Global North

The Global North often has more economic and political power in the world system, so international solidarity can be a way to challenge that imbalance. In class, you may see examples where movements in the Global North support struggles led by people in the Global South. That relationship raises questions about who leads, who benefits, and who sets the agenda.

Class Struggle

International solidarity grew out of labor politics, so it is closely tied to class struggle. Workers organizing across borders often try to stop employers from using national divisions to weaken labor power. When you connect the two terms, you can see solidarity as a tool for resisting exploitation across different countries.

Is International Solidarity on the Intro to Political Science exam?

A short-answer question may ask you to explain how activists or workers in different countries respond to a shared problem, and international solidarity is the term you use to name that response. In a case study, you might identify a transnational labor boycott, a climate coalition, or a human rights campaign as an example of solidarity across borders.

For essay questions, the move is usually to connect solidarity to a larger theory of global politics. You can show how it challenges realism's state-centered view, or how critical approaches use it to push back against inequality in the world system. If you get a prompt about globalization, inequality, or international cooperation, this term gives you a concrete way to explain collective action beyond diplomacy.

Key things to remember about International Solidarity

  • International solidarity is cross-border cooperation built around shared political, social, or economic goals.

  • The term is rooted in labor history, where workers in different countries supported each other against exploitation.

  • It is different from charity because solidarity treats people as partners in a common struggle, not just recipients of help.

  • In Intro to Political Science, the concept appears in discussions of globalization, transnational movements, and critical theories of world politics.

  • You can use it to explain how activists, unions, and advocacy groups try to change power relations across national borders.

Frequently asked questions about International Solidarity

What is International Solidarity in Intro to Political Science?

It is the idea that people, movements, and sometimes states cooperate across borders to pursue shared goals like labor rights, climate action, or human rights. In political science, the term often shows up when you study transnational activism and global justice. It is less about simple friendship between countries and more about organized political support across borders.

Is international solidarity the same as global cooperation?

Not exactly. Global cooperation is a broad term for states or groups working together on a problem, while international solidarity usually implies a moral or political commitment to stand with others in a struggle. Solidarity also tends to be more tied to movements, inequality, and resistance to power imbalances.

Why does international solidarity matter in labor politics?

It matters because employers and supply chains often stretch across borders, so workers can be divided by nationality even when they face similar conditions. International solidarity lets labor groups share strategies, support strikes, and pressure companies in multiple countries at once. That makes it a real political tactic, not just a slogan.

Can you give an example of international solidarity?

A union in one country backing a strike in another country is a classic example. So is a coalition of environmental groups from several countries demanding action on climate policy. In both cases, the point is that the struggle is treated as shared rather than isolated inside one state.