The CPSU was the sole governing party of the Soviet Union until 1990 when the Congress of People's Deputies modified Article 6 of the 1977 Soviet Constitution, which had previously granted the CPSU a monopoly over the political system. The party's main ideology was Marxism–Leninism . See more
The Communist Party of the Soviet Union (CPSU), at some points known as the Russian Communist Party, All-Union … See more
• 16 August 1917 – 8 March 1918: Russian Social Democratic Labour Party (Bolsheviks) (Russian: Российская социал-демократическая рабочая партия (большевиков); РСДРП(б), romanized: Rossiyskay… See more
The style of governance in the party alternated between collective leadership and a cult of personality. Collective leadership split power between the Politburo, the Central Committee, and the Council of Ministers t… See more
The Congress, nominally the highest organ of the party, was convened every five years. Leading up to the October Revolution and until Stalin's consolidation of power, the Congress was the party's main decisi… See more
Marxism–Leninism was the cornerstone of Soviet ideology. It explained and legitimized the CPSU's right to rule while explaining its role as a vanguard party. For instance, the ideology explained that the CPSU's policies, ev… See more
There were few, if any, who believed that the Soviet Union was on the verge of collapse by 1985. The economy was stagnating, but stable enough for the Soviet Union to continue into the 21st century. The political situ… See more
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