Emigration and immigration 13 Politics and government 11 Security, International 7 Economic conditions 5 Foreign relations 5 Government policy 5 Relations 5 更多 ... Social aspects 5 Strategic aspects 4 Spain 3 Acculturation 2 Cultural pluralism 2 Foreign economic relations 2 Human reproduction 2 Immigrants 2 National security 2 Pluralism (Social sciences) 2 Reproductive health 2 Social conditions 2 Administrative agencies 1 African diaspora 1 Armed Forces 1 Asian cooperation 1 Asians 1 Civil rights 1 Civil service 1 Commerce 1 Decentralization in government 1 Democratization 1 Drug control 1 少 ...