History Social conditions Economic conditions 13 Politics and government 10 History -- 4 Biography 2 Foreign relations 2 more ... 20th century -- 1 Autonomy and independence movements 1 Capitalism -- 1 Chinese -- 1 City planning -- 1 Communism - -- 1 Culture -- 1 Customary law (Islamic law) -- 1 Customary law -- 1 Democracy 1 Description and travel 1 Economics conditions 1 Education -- 1 Emigration and immigration -- 1 Environmental aspects -- 1 Folklore -- 1 Foreign relations -- 1 Gayos (Indonesian people) -- 1 History. -- 1 Islamic law -- 1 Kings and rulers -- 1 Performance -- 1 Political science -- 1 less ...