Book excerpt: Explores major political and economic changes of the 20th century The World in the Twentieth Century, 7/e, discusses the major political and economic changes that have reshaped global relations. The central theme of the book is that the most profound transformation of the 20th century was the emergence of nation-states in place of disintegrating empires. Three main subjects help to interpret the forces of global change: the international history of the nation-states; the role of ideology in shaping political and cultural movements and social values; and the evolution of world economic relations. This title is available in a number of formats -- digital and print. Pearson offers its titles on the devices students love through CourseSmart, Amazon, and more. To learn more about pricing options and customization, click the Choices tab.