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Welcome to eGyanKosh’s dedicated resource for Unit-3: Twentieth Century Developments, designed specifically for IGNOU students preparing for their 2025 examinations. This comprehensive study material aims to provide learners with a thorough understanding of the significant political, social, and cultural changes that shaped the twentieth century. Accessible and user-friendly, our platform offers free downloads of essential reading materials, ensuring that you have the tools you need to excel in your studies. Dive into the transformative events of this pivotal century and enhance your academic journey with eGyanKosh!