History History -- 135 Politics and government 120 Foreign relations -- 52 Politics and government -- 44 Colonies -- 28 Islam -- 28 more ... Civilization 27 Economic conditions 27 Social conditions 24 Nationalism -- 23 Foreign relations 21 Communism -- 20 Description and travel 19 History. -- 19 Terrorism -- 19 Political science -- 18 Biography 16 Biography -- 16 International relations -- 15 Social life and customs 13 Economic conditions -- 12 Ethnic relations 12 Commerce -- 9 Chinese -- 8 Civilization -- 8 Economics -- 8 Islam 8 Philosophy 8 Relations -- 8 less ...