The twentieth century has seen many ups and downs. This century had the first global-scale wars between world powers across continents and oceans in World War l and World War ll. Nationalism became a major political issue in the world in the 20th ...

The twentieth century has seen many ups and downs. This century had the first global-scale wars between world powers across continents and oceans in World War l and World War ll. Nationalism became a major political issue in the world in the 20th century, acknowledged in international law, along with the right of nations to self determination , official decolonization in the mid-century and related regional conflicts. The century saw a major shift in the way that many people lived, with changes in politics, ideology, economics, society, culture, science, technology, and medicine. The 20th century may have seen more technological and scientific progress than all the other centuries combined since the dawn of civilization. Terms like nationalism , globalization, environmentalism, ideology, genocide and nuclear war This is why probably, UGC has introduced twentieth century world as a compulsory paper for Post Graduate students of history in 2003, for all the universities in the country. Therefore, this book is very useful for all the Post graduate students and teachers of history and for competitive examinations.