USA HISTORY

Detailed explanation-1: -Perestroika (/ˌpɛrəˈstrɔɪkə/; Russian: ) was a political movement for reform within the Communist Party of the Soviet Union (CPSU) during the late 1980s widely associated with CPSU general secretary Mikhail Gorbachev and his glasnost (meaning “openness") policy reform.

Detailed explanation-2: -From modest beginnings at the Twenty-Seventh Party Congress in 1986, perestroika, Mikhail Gorbachev’s program of economic, political, and social restructuring, became the unintended catalyst for dismantling what had taken nearly three-quarters of a century to erect: the Marxist-Leninist-Stalinist totalitarian state.

Detailed explanation-3: -Although committed to preserving the Soviet state and its Marxist-Leninist ideals, Gorbachev believed significant reform to be necessary for survival. He withdrew troops from the Soviet–Afghan War and embarked on summits with United States president Ronald Reagan to limit nuclear weapons and end the Cold War.

Detailed explanation-4: -In the late 1980s, Soviet leader Mikhail Gorbachev implemented a series of changes in his country’s social, economic and foreign policies designed to bolster the domestic standard of living and usher in a new era of dtente with the United States.

Detailed explanation-5: -Ever since the Bolsheviks’ inception, Lenin had served as their de facto leader. After the Russian Revolution, Lenin became leader of the Russian Soviet Federative Socialist Republic (RSFSR) from 1917 and leader of the Union of Soviet Socialist Republics (USSR) from 1922 until his death.