History Relations Civilization 9 Foreign relations 9 Ethnic relations 8 Hispanic Americans 7 Territorial expansion 7 more ... Anti-Americanism 6 Cultural policy 5 Emigration and immigration 5 Immigrants 5 Political aspects 5 Politics and government 5 Popular culture 5 Public opinion 5 Social aspects 5 American influences 4 Diplomatic history 4 Intellectual life 4 Privateering 4 Tourism 4 World War, 1939-1945 4 Americans 3 Cultural industries 3 Foreign public opinion, American 3 Geopolitics 3 Historia 3 History and criticism 3 History, Naval 3 Imperialism 3 less ...