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
1996 Mikhail Gorbachev presidential campaign until its dissolution in December 1991. Following the dissolution of the Soviet Union, Boris Yeltsin (whose rise to power Gorbachev had tried to prevent) became the Russian head-of-state. Gorbachev had, reportedly, been contemplating a political return since sometime in the middle of 1993. Gorbachev was still a vigorous and opinionated man. He desired to escape from his political exile and to repair his image. Gorbachev was also motivated, amid chaotic reform efforts by Yeltsin, by a belief that he could implement far superior (and less disastrous) reform than Yeltsin. Gorbachev also had a strong personal animosity towards Yeltsin. All of