Government policy History 1,140 Emigration and immigration 930 Prevention 694 Economic aspects 522 Law and legislation 520 Political aspects 445 更多 ... Social aspects 445 Social conditions 444 Politics and government 437 Terrorism 411 Finance 319 Immigrants 312 Climatic changes 284 Management 271 National security 271 Economic conditions 269 Foreign relations 245 Environmental aspects 242 Women 241 Legal status, laws, etc 234 Research 231 International cooperation 223 Environmental policy 203 Services for 202 Noncitizens 201 Social policy 197 Economic policy 194 Poverty 183 Employment 179 少 ...