Politics and government History 20,507 Foreign relations 4,153 Social conditions 4,134 Economic conditions 3,115 Political aspects 2,373 Presidents 1,791 more ... Democracy 1,561 Political activity 1,350 Political culture 1,334 Elections 1,326 Economic policy 1,321 Race relations 1,254 Nationalism 1,214 Ethnic relations 1,110 Political parties 1,049 African Americans 1,027 Political science 859 Jews 791 Colonies 786 Civil rights 747 Influence 734 Social aspects 713 Intellectual life 701 Relations 682 Social life and customs 665 Political and social views 661 Political participation 638 Civilization 627 Constitutional history 624 less ...