History 20 Historia 14 Social conditions 11 Economic conditions 10 Politics and government 9 Economic history 7 Condiciones sociales 6 Foreign relations 6 Local area networks (Computer networks) 6 Metropolitan areas 6 Social sciences 6 Sociología 6 Aspectos jurídicos 5 Área del Caribe 5 Diplomatic relations 5 Economic integration 5 Foreign economic relations 5 International relations 5 Relations 5 AREA STUDIES 4 Area studies 4 Áreas metropolitanas 4 Computer networks 4 Integración económica 4 Law 4 Nature conservation 4 Política y gobierno 4 Administración pública 3 Asiatisch-pazifischer Raum 3 Ciencias sociales 3