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 can artificially elongate the temporal horizons of their adherents. By presenting an explicit and desirable picture of the political future,...