Political aspects History 5 Vietnam War, 1961-1975 5 Politics and government 4 Foreign relations 2 Influence 2 Missing in action 2 Nationalism 2 Political activists 2 Prisoners and prisons, North Vietnamese 2 Prisoners of war 2 Relations 2 Social conditions 2 Anti-communist movements 1 Campaigns 1 City planning 1 Communism 1 Crimes against 1 Economic conditions 1 Economic development projects 1 Emigration and immigration 1 Government and the press 1 History and criticism 1 Immigrants 1 Journalism 1 Land tenure 1 Mentally ill homeless persons 1 Popular music 1 Press and politics 1 Protest movements 1