History 742 Politics and government 247 Historia 221 Education and state 199 Social aspects 166 Foreign relations 150 Social conditions 146 más ... History and criticism 119 Education 118 State, The 115 Political aspects 96 Church and state 95 Estado 93 Economic conditions 92 Política y gobierno 89 Government policy 78 Emigration and immigration 77 Law and legislation 75 Relations 71 African Americans 68 Educación 64 Economic aspects 62 Race relations 58 Political science 54 Women 51 Aspectos sociales 50 Agriculture and state 48 Philosophy 48 Civilization 45 Condiciones sociales 44 menos ...