Title: Perestroika
Subjects: Foreign relations, Politics and government, Soviet Union, World politics, Perestroika, Política y gobierno, Política mundial, Perestroĭka, Economische politiek, Perestrojka, Diplomatic relations, History, Soviet union, economic policy, Soviet union, cultural policy, Soviet union, politics and government, 1945-1991
Time periods: 1975-, 1982-, 1985-1995