Why is ethnic identity an important factor in politics in some countries but not in others? This book offers a rigorous comparative analysis of five cases in three regions - Kenya, Tanzania, Bolivia, Peru, and the United States - to demonstrate how colonial administrative rule, access to resources, nation building and language policies, as well as political entrepreneurs contribute to the politicization of ethnicity. The analytical framework in this book identifies how ethnic identities are transformed into socially salient ethnic identities, and how some of these socially salient ethnic...