History 1,080 Electronic books 811 USA 677 Politics and government 442 Foreign relations 435 Political aspects 296 History and criticism 252 more ... Law and legislation 242 Social aspects 180 Government policy 165 POLITICAL SCIENCE / General 149 Social conditions 126 Presidents 120 African Americans 118 Economic aspects 103 Race relations 102 Public opinion 101 United States 100 American literature 95 Influence 94 Economic conditions 91 Philosophy 86 Democracy 83 POLITICAL SCIENCE / International Relations / General 82 Civil rights 81 National security 80 Political culture 77 Außenpolitik 68 Political activity 68 Moral and ethical aspects 63 less ...