History 37 Politics and government 37 Economic conditions 23 Economic policy 20 Vietnam War, 1961-1975 20 Social conditions 16 Foreign relations 12 hơn ... International relations 9 Political prisoners 9 Economic history 5 Politique et gouvernement 5 Social change 5 Communism 4 Conditions économiques 4 Conditions sociales 4 Economic aspects 4 HISTORY 4 Influence 4 Political refugees 4 Description and travel 3 Freedom of religion 3 Human rights 3 Officers 3 Social aspects 3 BUSINESS & ECONOMICS 2 Civil rights 2 Decentralization in government 2 Dissenters 2 Economic development 2 Evaluation 2 ít hơn ...