Political aspects History 14 Politics and government 12 Social aspects 7 Indians of South America 6 Political violence 6 Environmental aspects 4 more ... Mines and mineral resources 4 Human rights 3 Languages 3 Mineral industries 3 Missions 3 Punk culture 3 Quechua language 3 Religious aspects 3 Social conditions 3 Social conflict 3 Arts 2 Climatic changes 2 Collective memory in art 2 Colonies 2 Democracy 2 Diplomatic relations 2 Earthquake prediction 2 Economic conditions 2 Foreign relations 2 Language and languages 2 Natural resources 2 Political parties 2 Protest movements 2 less ...