---
title: "Realism in International Relations | Model Diplomat"
description: "Realism is a theory of international relations where sovereign states act in their national interest, crucial for Model UN students and policy researchers."
url: "https://modeldiplomat.com/learn/glossary/realism"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Realism is a theory of international relations holding that sovereign states, driven by national interest and power, are the principal actors in an anarchic, self-help system.
- How does classical realism differ from neorealism?
- What is the security dilemma?
- Distinguish defensive and offensive realism.?
- How do constructivists critique realism?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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