With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Communist Party of the Soviet Union was the ruling party of a socialist state.
text_B: The Communist Party of the Soviet Union , abbreviated in English as CPSU , was the founding and ruling political party of the Union of Soviet Socialist Republics -LRB- USSR or Soviet Union -RRB- .. Union of Soviet Socialist Republics. Soviet Union. The CPSU was the sole governing party of the Soviet Union until 1990 , when the Congress of People 's Deputies modified the article of the constitution , which had granted the CPSU a monopoly over the political system .. sole governing party. one-party state. article of the constitution. Article 6 of the Soviet Constitution. The party was founded in 1912 by the Bolsheviks -LRB- the majority faction of the Russian Social Democratic Labour Party -RRB- , a revolutionary group led by Vladimir Lenin which seized power in the aftermath of the October Revolution of 1917 .. Vladimir Lenin. Vladimir Lenin. Bolsheviks. Bolsheviks. Russian Social Democratic Labour Party. Russian Social Democratic Labour Party. October Revolution. October Revolution. The party was dissolved on 29 August 1991 on Soviet territory soon after a failed coup d'etat and was completely abolished on 6 November 1991 on Russian territory .. failed coup d'etat. 1991 Soviet coup d'etat attempt. The CPSU was a communist party organized on the basis of democratic centralism , a principle conceived by Lenin that entails democratic and open discussion of policy issues within the party followed by the requirement of total unity in upholding the agreed policies .. communist party. communist party. democratic centralism. democratic centralism. The highest body within the CPSU was the party Congress , which convened every five years .. party Congress. Congress of the Communist Party of the Soviet Union. When the Congress was not in session , the Central Committee was the highest body .. Central Committee. Central Committee of the Communist Party of the Soviet Union. Because the Central Committee met twice a year , most day-to-day duties and responsibilities were vested in the Politburo , the Secretariat , and the Orgburo -LRB- until 1952 -RRB- .. Central Committee. Central Committee of the Communist Party of the Soviet Union. Politburo. Politburo of the Communist Party of the Soviet Union. Secretariat. Secretariat of the Communist Party of the Soviet Union. Orgburo. Orgburo. The party leader was the head of government and held the office of either General Secretary , Premier or head of state , or some of the three offices concurrentlybut never all three at the same time .. party leader. List of leaders of the Soviet Union. General Secretary. General Secretary of the Communist Party of the Soviet Union. Premier. Premier of the Soviet Union. head of state. List of heads of state of the Soviet Union. The party leader was the de facto chairman of the CPSU Politburo and chief executive of the USSR ; the tension between the party and the state -LRB- Council of Ministers of the Soviet Union -RRB- for the shifting locus of power was never formally resolved , but in reality the party dominated , and a paramount leader always existed -LRB- first Lenin and thereafter the General Secretary -RRB- .. Politburo. Politburo of the Communist Party of the Soviet Union. party leader. List of leaders of the Soviet Union. General Secretary. General Secretary of the Communist Party of the Soviet Union. de facto. de facto. Council of Ministers of the Soviet Union. Council of Ministers of the Soviet Union. paramount leader. primus inter pares. The CPSU , according to its party statute , adhered to Marxism -- Leninism , an ideology based on the writings of Vladimir Lenin and Karl Marx , and formalized under Joseph Stalin .. Vladimir Lenin. Vladimir Lenin. Karl Marx. Karl Marx. Joseph Stalin. Joseph Stalin. The party pursued state socialism , under which all industries were nationalized and a planned economy was implemented .. state socialism. state socialism. planned economy. planned economy. Before central planning was adopted in 1929 , Lenin had introduced a mixed economy , commonly referred to as the New Economic Policy , in the 1920s , which allowed to introduce certain capitalist elements in the Soviet economy .. central planning. economic planning. mixed economy. mixed economy. New Economic Policy. New Economic Policy. After Mikhail Gorbachev took power in 1985 , at first trying to prop up the stagnant centrally planned economy , rapid steps were taken to transform the economic system in the direction of a market economy .. planned economy. planned economy. Mikhail Gorbachev. Mikhail Gorbachev. centrally planned economy. centrally planned economy. market economy. market economy. Gorbachev and some of his allies envisioned the introduction of an economy similar to Lenin 's New Economic Policy through a program of perestroika , or restructuring , but the results of their reforms contributed to the fall of the entire system of government .. New Economic Policy. New Economic Policy. perestroika. perestroika. A number of causes contributed to CPSU 's loss of control and the dissolution of the Soviet Union .. dissolution of the Soviet Union. dissolution of the Soviet Union. Some historians have written that Gorbachev 's policy of glasnost -LRB- political openness -RRB- was the root cause , noting that it weakened the party 's control over society .. glasnost. glasnost. Gorbachev maintained that perestroika without glasnost was doomed to failure anyway .. perestroika. perestroika. glasnost. glasnost. Others have blamed the economic stagnation and subsequent loss of faith by the general populace in communist ideology .. economic stagnation. economic stagnation
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