Causes History 962 War 837 Politics and government 426 Foreign relations 194 World War, 1914-1918 160 Diplomatic relations 146 World War, 1939-1945 140 Colonies 123 Death 87 HISTORY 82 Mortality 72 Holocaust, Jewish (1939-1945) 50 Histoire 46 Influence 43 Slavery 43 Commerce 42 Diplomatic history 40 Influence (Literary, artistic, etc.) 40 General 36 Enslavement 33 Political aspects 30 World politics 30 Politique et gouvernement 25 Administration 24 Iraq War, 2003-2011 23 Social conditions 23 Antisemitism 22 Jews 22 Boston Massacre, 1770 21