Peace World War, 1914-1918 25 War 22 History 20 World War, 1939-1945 13 Paix 12 Religious aspects 11 more ... Politics and government 10 Foreign relations 8 Societies, etc 8 Christianity 6 International organization 6 Political activity 6 International relations 5 Italian Americans 4 Periodicals 4 Guerre 3 Guerre mondiale, 1914-1918 3 International cooperation 3 International law 3 Radicalism 3 Socialism 3 World politics 3 Arbitration (International law) 2 Biblical teaching 2 Bibliography 2 Communism 2 Conscientious objectors 2 Defenses 2 Government, Resistance to 2 Immigrants 2 Information services 2 Pacifism 2 Pangermanism 2 Peace movement 2 Public opinion 2 Quakers 2 Sermons, American 2 Society of Friends 2 armed conflicts 2 less ...