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 to his efforts for reform. Meanwhile, Gorbachev was losing further ground to nationalists. October 1990 saw the founding of DemRossiya, the Russian pro-reform coalition; a few days later, both Ukraine and Russia declared their laws completely sovereign over Soviet laws. The 'war of laws' had become an open battle, with the Supreme Soviet refusing to recognise the actions of the two republics. Gorbachev would publish the draft of a new union treaty in November, which envisioned a continued union called the Union of Sovereign Soviet Republics, but, going into 1991, Gorbachev's actions were steadily overpowered by secessionism. January and February