History 111 Politics and government 79 Foreign relations 48 International relations 36 World War, 1914-1918 26 Social conditions 24 Causes 12 more ... Nationalism 12 Economic conditions 11 Historiography 11 Colonies 10 Imperialism 9 Political culture 9 Intellectual life 8 Civilization 6 National characteristics, German 6 National socialism 6 Public opinion 6 Diplomatic relations 5 Foreign public opinion, German 5 Manners and customs 5 Relations 5 Social life and customs 5 Social policy 5 Women 5 Womyn 5 Emigration and immigration 4 Peace 4 Socialism 4 Statesmen 4 less ...