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This document provides an overview of the key concepts in international relations, including the sub-fields of international security studies and international political economy. It discusses how IR scholars use descriptive and theoretical approaches to understand why international events occur, and outlines three broad theoretical perspectives: conservatism, liberalism, and revolutionary. It also introduces the three levels of analysis in IR: individual, state, and systemic (international).






Introduces International Relations (IR) as a field, emphasizing its multidisciplinary nature and the study of relationships among governments and various global actors.
Highlights two key sub-fields of IR: International security studies and International political economy, showcasing areas of focus within the discipline.
Discusses the significance of theories in IR, focusing on descriptive and theoretical answers to international events and covering key perspectives: Conservatism, Liberalism, Revolutionary.
Explains the three levels of analysis in IR as proposed by Kenneth Waltz: Individual, State, Systemic (International), indicating different approaches to studying international events.