World War, 1914-1918 History 31 World War (1914-1918) 10 FICTION 7 Social aspects 5 Social conditions 5 Veterans 5 Causes 4 Foreign relations 4 Guerra, 1914-1918 (Mundial, 1a.) 4 Influence 4 Politics and government 4 World War, 1939-1945 4 American fiction 3 Campaigns 3 HISTORY 3 Historia 3 Medical care 3 Nationalism 3 Public welfare 3 RELIGION 3 Services for 3 Economic aspects 2 First World War 2 Great Britain 2 Guerre mondiale, 1914-1918 2 Neutrality 2 Political aspects 2 Propaganda 2 States, Small 2