History 1,078 Electronic books 811 USA 667 Politics and government 441 Foreign relations 433 Political aspects 295 History and criticism 252 more ... Law and legislation 243 Social aspects 180 Government policy 165 POLITICAL SCIENCE / General 148 Social conditions 126 Presidents 120 African Americans 118 Economic aspects 103 Race relations 102 Public opinion 100 United States 100 American literature 95 Influence 93 Economic conditions 91 Philosophy 86 Democracy 83 POLITICAL SCIENCE / International Relations / General 82 Civil rights 80 National security 80 Political culture 76 Political activity 68 Außenpolitik 67 Moral and ethical aspects 64 less ...