Machine generated contents note: 1.Introduction -- 2.A Theory of Ethnic Cleavages, Group Mobilization, and Conflict in Multiethnic States -- 3.Inside Ethnic Movements: Ethnic Organizations as Catalysts of Competition or Emancipation -- 4.Cleavage Types and Conflict in Multiethnic States: A Global Analysis -- 5.The Logic of Violent Ethnic Competition: Evidence from Sub-Saharan Africa -- 6.Elite Alliances and Conflict in Decolonized States: A Comparative Case Study of Cote d'Ivoire and Gabon -- 7.The Logic of Nonviolent Ethnic Movements: Mobilization, Contention, and Political Empowerment in Latin America -- 8.The Power and Limits of Nonviolent Ethnic Movements: Evidence from Guatemala and Ecuador -- 9.Two Logics of Ethnic Mobilization: Theoretical and Practical Implications.