Political aspects Relations History 19 Foreign relations 10 Politics and government 7 Causes 6 African Americans 4 more ... Imperialism 4 Influence 4 Nationalism 4 Political culture 4 Racism 4 Slavery 4 Antislavery movements 3 Aspect politique 3 Globalization 3 Intellectual life 3 International relations 3 Popular culture 3 Public opinion 3 Social aspects 3 Black people 2 Citizen participation 2 Diplomatic relations 2 Emancipation 2 Foreign public opinion, American 2 Mass media 2 Participation, Foreign 2 Petroleum industry and trade 2 Relations with Chinese 2 less ...