Causes History 1,480 Politics and government 636 Foreign relations 262 World War, 1914-1918 228 World War, 1939-1945 212 Colonies 196 more ... Slavery 104 War 88 Holocaust, Jewish (1939-1945) 85 Influence 83 Death 80 Political aspects 80 Diplomatic history 66 Mortality 55 Iraq War, 2003-2011 53 Ethnic relations 48 Social aspects 45 Social conditions 45 Historiography 42 World politics 42 Antisemitism 40 Administration 39 Jews 39 Secession 39 Antislavery movements 38 Relations 34 Nationalism 33 Economic aspects 32 Commerce 29 less ...