History 55 Politics and government Political culture 6 Social conditions 6 Causes 5 Foreign relations 5 Influence 5 more ... Socialism 5 Communism 4 Gentry 4 International relations 4 Social classes 4 World War, 1914-1918 4 Historiography 3 Political and social views 3 Refugees 3 Revolutionaries 3 Social change 3 World War, 1939-1945 3 Atrocities 2 Dictatorship 2 Health aspects 2 Jews 2 Philosophy 2 Political activity 2 Political refugees 2 Revolutions 2 Russians 2 Socialists 2 Strikes and lockouts 2 less ...