World War, 1939-1945 -- 6 Politics and government -- 4 Bibliography -- 3 Causes 3 History -- 3 World War -- 3 Foreign relations -- 2 more ... Neutrality -- 2 Atrocities 1 Bibliography 1 Biography -- 1 Campaigns -- 1 Chronology 1 Communism and science -- 1 Congress -- 1 Criminology -- 1 Diplomatic history 1 Economic integration 1 European economic community -- 1 Foreign policy 1 Foreign relations administration 1 Heads of state -- 1 History, Military 1 International trade 1 Massacre -- 1 Military biography -- 1 Military history, Modern -- 1 Military intelligence -- 1 Presidents -- 1 Science and state -- 1 less ...