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International relations

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International relations, often called IR, is the academic study of how different parts of our world interact.

Thucydides-bust-cutout ROM
Thucydides-bust-cutout ROM

It is a major branch of political science. This field looks at activities occurring between sovereign states, which are independent political units. These activities include war, diplomacy, and trade. IR also examines relations between other international actors. These actors include intergovernmental organizations (IGOs) and international nongovernmental organizations (INGOs). Multinational corporations (MNCs) and international legal bodies are also part of this study. By looking at these connections, scholars try to understand the complex systems that govern our global life.

To understand these connections, scholars use many different tools and theories. IR is a multidisciplinary field. This means it draws information from many different subjects. It uses ideas from history, geography, and economics. It also uses law, philosophy, sociology, and anthropology. Within the field, there are several major schools of thought. Realism is one prominent view that often focuses on power relationships. Liberalism is another major school that looks at cooperation and democratic peace. Constructivism is a third prominent way of thinking about the world. These different perspectives allow researchers to analyze global events from various angles.

Researchers often look at the world through different levels of analysis. The first level is the individual level, which focuses on specific people. The second level is the domestic state, which looks at what happens inside a single country. The third level is the international level, focusing on affairs between states and organizations. Finally, the global level looks at the entire world system as one unit. This structure helps organize the massive amount of information in global affairs. It allows experts to decide whether a problem is caused by one leader or by a global trend. Understanding these levels is essential for studying modern international politics.

People have observed these global connections for thousands of years. Some scholars believe the first international system began with Sumerian city-states around 3,500 BC.

French Spanish and Polish fashion
French Spanish and Polish fashion

In ancient Greece, the historian Thucydides analyzed the Peloponnesian War between Athens and Sparta. Later, in 1532, Niccolò Machiavelli wrote about the politics of the city-state of Florence. However, the modern system we recognize today started with the Peace of Westphalia in 1648. This treaty helped establish the concept of sovereign states in Europe. Another major event was the Treaty of Utrecht in 1713. This treaty helped create the idea that a ruler has ultimate authority within their own borders.

The concept of the nation-state changed how people thought about power. During the French Revolution, the idea emerged that the citizens, or the nation, were the true holders of power. This led to the rise of the republic. Other groups, such as some in Germany, developed a different model of the nation-state. They defined nationhood through shared language or ethnicity rather than just citizenship. These different ideas about how a state should be organized shaped the history of Europe. Eventually, these European models were exported to Africa, Asia, and the Americas through colonialism.

World empires and colonies around World War I
World empires and colonies around World War I

The modern system was finally shaped by decolonization during the Cold War.

International relations became a formal academic discipline in the early 20th century. It first became a specific major at Aberystwyth University in the United Kingdom in 1919.

Maison de la paix petals 1 and 2
Maison de la paix petals 1 and 2

Other universities soon followed, such as the University of Wisconsin and Columbia University. In the United States, Georgetown University founded its school for international affairs in 1919. The London School of Economics also became a major center for the field in 1927. That same year, the Graduate Institute of International and Development Studies opened in Geneva, Switzerland. This school was specifically created to train diplomats for the League of Nations.

67º Período de Sesiones de la Asamblea General de Naciones Unidas (8020913157)
67º Período de Sesiones de la Asamblea General de Naciones Unidas (8020913157)

Today, the study of international relations is more important than ever due to globalization. Globalization refers to the increasing connections between different parts of the world. The collapse of the Soviet Union in the late 20th century changed how scholars view the international system. Large organizations now play a massive role in managing these connections. For example, the United Nations and the World Bank help manage global issues.

World Bank building at Washington
World Bank building at Washington

The field continues to grow as new theories emerge to explain a rapidly changing world. It helps us understand the complex web of politics, law, and economics that links every nation together.

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🖼️ Images & Media (9)
File:United Nations Flags - cropped.jpg
United Nations Flags - cropped.jpg
File:Thucydides-bust-cutout ROM.jpg
Thucydides-bust-cutout ROM.jpg
File:French Spanish and Polish fashion.jpg
French Spanish and Polish fashion.jpg
File:World empires and colonies around World War I.png
World empires and colonies around World War I.png
File:ISAF soldier looking for enemy positions in Kunar Province of Afghanistan.jpg
ISAF soldier looking for enemy positions...
File:Maison de la paix petals 1 and 2.jpg
Maison de la paix petals 1 and 2.jpg
File:67º Período de Sesiones de la Asamblea General de Naciones Unidas (8020913157).jpg
67º Período de Sesiones de la Asamblea...
File:World Bank building at Washington.jpg
World Bank building at Washington.jpg
File:Nato awacs.jpg
Nato awacs.jpg
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