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
Foreign policy of the Ronald Reagan administration in Malta. The Soviet alliance system was by then on the brink of collapse, and the Communist regimes of the Warsaw Pact were losing power. On March 11, 1990 Lithuania, led by newly elected Vytautas Landsbergis, declared independence from the Soviet Union. The gate to the Berlin Wall was opened and Gorbachev approved. Gorbachev proposed to President George H.W. Bush massive troop reductions in Eastern Europe. In the USSR itself, Gorbachev tried to reform the party to destroy resistance to his reforms, but, in doing so, ultimately weakened the bonds that held the state and union together. By February 1990,