This book examines the causal impact of ideology through a comparative-historical analysis of three cases of "post-imperial democracy" the early Third Republic in France (1870-1886); the Weimar Republic in Germany (1918-1934); and post-Soviet Russia (1992-2008). Hanson argues that political ideologies are typically necessary for the mobilization of enduring, independent national party organizations in uncertain democracies. Clear and consistent ideologies...