World War, 1914-1918 History 849 Politics and government 267 Guerre mondiale, 1914-1918 266 Campaigns 241 Foreign relations 181 Causes 176 more ... World War, 1939-1945 176 HISTORY 172 Literature and the war 153 History and criticism 141 Influence 141 Economic aspects 139 Social aspects 137 Histoire 134 Social conditions 114 Peace 95 Diplomatic history 93 Women 89 Soldiers 82 Territorial questions 82 Military 77 Western 72 World War I. 68 General 61 History, Military 60 War 60 Economic conditions 54 Finance 51 Medical care 48 less ...