Politics and government History 17,120 Social conditions 3,994 Foreign relations 3,361 Economic conditions 2,867 Political aspects 2,347 International relations 1,882 Mais ... Presidents 1,443 Democracy 1,442 Political activity 1,335 Race relations 1,283 Political culture 1,246 Economic policy 1,200 Nationalism 1,141 Ethnic relations 1,080 African Americans 1,000 Political parties 896 Diplomatic relations 783 Political participation 775 Economic history 746 Intellectual life 742 Social aspects 696 Jews 684 Elections 661 Influence 658 Civilization 650 Relations 642 Social life and customs 631 Political science 623 Political and social views 620 menos ...