Causes History 61 Holocaust, Jewish (1939-1945) 55 Foreign relations 43 Politics and government 39 World War, 1914-1918 38 World War, 1939-1945 37 more ... International relations 36 Antisemitism 28 Ethnic relations 22 National socialism 21 Jews 20 War 15 Diplomatic history 10 Persecutions 8 Historiography 7 Moral and ethical aspects 7 War criminals 6 Intellectual life 5 Christianity and antisemitism 4 Civilization 4 Government policy 4 Nationalism 4 Psychology 4 Public opinion 4 Church and state 3 Collective memory 3 Diplomatic relations 3 Germans 3 History and criticism 3 less ...