But those changes were not inevitable and would not necessarily have occurred had Mikhail Gorbachev not ascended to power in Moscow , and had the Soviet Union and its empire not collapsed .
Soviet Union /location/country/capital Moscow
Mikhail Gorbachev /people/person/nationality Soviet Union
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Soviet Union
LOCATION
Moscow
LOCATION
/location/country/capital
Mikhail Gorbachev
PERSON
Soviet Union
LOCATION
/people/person/nationality