Mikhail Gorbachev and following the Chernobyl disaster of 1986 pursued this agenda. Gorbachev's policies of "glasnost" ("openness") and "perestroika" ("restructuring") and his reorientation of Soviet strategic aims contributed to the end of the Cold War. Under this program, the role of the Communist Party in governing the state was removed from the constitution, which inadvertently led to crisis-level political instability with a surge of regional nationalist and anti-communist activism culminating in the dissolution of the Soviet Union. Gorbachev later expressed regret for his failure to save the Soviet state, though he has insisted that his policies were not failures but rather were
Mikhail Gorbachev ordered him to punish Fagien B. Sadykov, a Stavropol-based agronomist whose ideas were regarded as critical of Soviet agricultural policy; Gorbachev ensured that Sadykov was fired from teaching but ignored calls for him to face tougher punishment. Gorbachev later related that he was "deeply affected" by the incident; "my conscience tormented me" for overseeing Sadykov's persecution. In April 1970, Yefremov was promoted to a higher position in Moscow and Gorbachev took his job. This granted Gorbachev significant power over the Stavropol region. He had been personally vetted for the position by senior Kremlin leaders and was informed of their decision