Politics and government -- Foreign relations -- 23 Perestroika 15 Biography -- 11 History -- 8 Social conditions -- 8 Heads of state -- 7 more ... Glasnost 6 Nationalism -- 6 Communism -- 5 Economic conditions -- 5 Ethnic relations 5 Politics and government 5 Congresses -- 4 Economic policy -- 4 Relations -- 4 World politics -- 4 History 3 Elite (Social sciences) -- 2 Ideology 2 Military policy 2 Minorities -- 2 National security -- 2 Personal narratives. -- 2 Politicians -- 2 Soviet Union -- 2 Armed Foeces -- 1 Attempted coup -- 1 Autonomy and independence movements 1 Baltic States -- 1 less ...