Influence Politics and government History 491 Social conditions 120 Foreign relations 102 Political and social views 94 Political culture 89 更多 ... Political aspects 87 Social aspects 55 Presidents 49 World War, 1939-1945 46 Arab-Israeli conflict 39 Intellectual life 37 Public opinion 36 World War, 1914-1918 34 Democracy 33 Political activity 33 Social change 32 Ethnic relations 31 Philosophy 28 Jews 26 Relations 26 Economic conditions 25 Civilization 24 Collective memory 24 Nationalism 24 African Americans 23 Cold War 23 Race relations 23 Communism 22 少 ...