Foreign relations Political culture 18 History 15 Politics and government 10 Civilization 7 Cold War 7 Imperialism 7 Relations 7 Social aspects 6 Public opinion 5 Foreign public opinion, American 4 Globalization 4 National characteristics, American 4 Popular culture 4 Social conditions 4 Territorial expansion 4 Cultural policy 3 Influence 3 International relations 3 Militarism 3 National security 3 Philosophy 3 Political aspects 3 September 11 Terrorist Attacks, 2001 3 War on Terrorism, 2001- 3 American influences 2 Cross-cultural studies 2 Diplomacy 2 Group identity 2 International relations and culture 2