Influence Politics and government History 50 Social conditions 15 Foreign relations 11 Political culture 10 World War, 1939-1945 10 Political and social views 6 Political aspects 6 Social aspects 6 Economic conditions 5 Public opinion 5 World War, 1914-1918 5 Communism 4 Democracy 4 Foreign public opinion, British 4 Political leadership 4 Social life and customs 4 Statesmen 4 Blacks 3 Causes 3 Civilization 3 Economic policy 3 Intellectual life 3 Mass media 3 Presidents 3 Race relations 3 Social change 3 Arab-Israeli conflict 2 Citizenship 2