The document provides a comprehensive overview of international relations (IR), discussing its evolution, key values, and theories, such as realism and liberalism. It highlights the roles of states, inter-governmental organizations, and non-governmental organizations while tracing the historical context from ancient civilizations to modern political dynamics, including significant events like the Peace of Westphalia. Additionally, it identifies the interdisciplinary nature of IR, addressing various contemporary issues like security, economic interdependence, and global governance.