This document provides an overview of dependency theory, which emerged in Latin America in the 1960s. It defines key concepts like core and periphery countries, and describes how dependency theory views the global economic system as exploiting developing nations. The document outlines the background and influence of economists like Prebisch, Frank, and Wallerstein. It explains the central tenets of dependency theory, including that underdevelopment is caused by core nations extracting surplus from the periphery. The critique section notes that dependency theory ignores variations among developing countries and possible benefits of globalization.