 Kọkọ parí gbólóhùn yìí: : 28th Congress of the Communist Party of the Soviet Union, nigba ti ofin ti awọn eto imulo oselu laarin Communist Party of the Soviet Union, Bolshevik Platform ni a ṣẹda, ti o funni ni ọpọlọpọ awọn ẹgbẹ oselu igbalode ati awọn iṣipopada awujọ. 