The references to "socialism" meant control by the communist parties which were loyal to the Kremlin. Soviet leader Mikhail Gorbachev repudiated the doctrine in the late 1980s, as the Kremlin accepted the peaceful overthrow of Soviet rule in all its satellite countries in Eastern Europe.
The term "socialism" was used to describe control by communist parties that were loyal to the Kremlin.  Mikhail Gorbachev, the Soviet leader, rejected this doctrine in the late 1980s as the Kremlin accepted the peaceful removal of Soviet rule from all its satellite countries in Eastern Europe.