Social conditions 1,596 History 608 Politics and government 369 Economic conditions 321 Social policy 253 Social classes 223 Rural conditions 221 更多 ... Social change 164 Social problems 161 Social aspects 147 Social history 141 Radicalism 136 Social movements 132 Violence 108 Elite (Social sciences) 104 Rural development 94 Public opinion 93 Social life and customs 82 Power (Social sciences) 75 Moral conditions 73 Community development 72 Social surveys 71 Community organization 66 Political aspects 62 Villages 61 Equality 59 Poor 59 Civilization 58 Race relations 58 Social structure 58 少 ...