Frontera Boundaries 7 Social aspects 4 Aspectos sociales 2 Derecho internacional 2 Emigración e inmigración 2 Emigration and immigration 2 Government policy 2 Historia 2 Political aspects 2 Relaciones internacionales 2 Access to the sea (International law) 1 Arbitraje 1 Arbitration (International law) 1 Asociaciones civiles 1 Aspectos políticos 1 Border security 1 Borderlands 1 Civil rights 1 Derechos civiles 1 Ecuador-Peru Conflict, 1995 1 Ethnology 1 Foreign economic relations 1 Foreign relations 1 History 1 Immigrants 1 Indians of Mexico 1 Inmigrantes 1 Integración económica 1 International relations 1