Cold War (1985–1991) reduced some strategic arms unilaterally. Fundamental to the dissolution of the Soviet Union, the Gorbachev policy initiatives of Restructuring ("Perestroika") and Openness ("Glasnost") had ripple effects throughout the Soviet world, including eventually making it impossible to reassert central control over Warsaw Pact member states without resorting to military force. On June 12, 1987, Reagan challenged Gorbachev to go further with his reforms and democratization by tearing down the Berlin Wall. In a speech at the Brandenburg Gate next to the wall, Reagan stated: While the aging communist European leaders kept their states in the grip of "normalization", Gorbachev's reformist policies
19th All-Union Conference of the Communist Party of the Soviet Union rule of law". The Conference called for elections for the governmental soviets at all levels, with secret ballots and multiple candidacies, and it established the Congress of People's Deputies of the Soviet Union. Although Gorbachev had to compromise on some of his several objectives because of conservative resistance, the conference was a significant victory for Gorbachev. 19th All-Union Conference of the Communist Party of the Soviet Union The 19th All-Union Conference of the Communist Party of the Soviet Union was a party conference held by the Communist Party of the Soviet Union from 28 June to 1 July 1988. There