History -- 586 History 446 Politics and government -- 143 Politics and government 105 Foreign relations -- 95 History. -- 36 Economic conditions 33 more ... Nationalism -- 32 World politics -- 32 Islam -- 27 Economic history -- 26 Ethnic relations 26 Foreign relations 26 World War, 1939-1945 -- 26 Biography -- 22 Communism -- 21 Economic conditions -- 19 Chinese -- 18 Social conditions 17 Democracy -- 16 Description and travel 15 Sources 15 Civilization 14 Constitutional history 14 Biography 13 Congresses 13 Congresses -- 13 Economic policy 13 Political science -- 13 Social life and customs 13 less ...