Revolutions History 52 Politics and government 27 Communism 15 Socialism 8 Case studies 7 Guerrilla warfare 7 Violence 7 Revolutionaries 6 World politics 6 Government, Resistance to 5 Christianity 4 History, Modern 4 War 4 Anarchism 3 Bibliography 3 Communist strategy 3 Congresses 3 Guerrillas 3 Insurgency 3 Political science 3 Power (Social sciences) 3 Religious aspects 3 Social conditions 3 Social conflict 3 Sources 3 State, The 3 Biography 2 Democracy 2 Foreign relations 2