Ostapenko Y. The Bolsheviks' liquidation the opposition political parties in Ukraine (1920-1925)

The object of study - national-communist and all-russian parties of esers and mensheviks in the conditions of the forming of the monoparty system. The objective of study is to show of the process of liquidation of the opposite parties. The principle of historism and objective consideration as methods have been used. The main questions of the research include: self-destruction of parties of borotbists and borbists in 1920; disappearance all-russian party of esers in Ukraine during 1920-1923; the main steps of forced resignation of RSDRP from political stage in Ukraine; UKP - from the beginning up to the liquidation. There was made a consequence that liquidation of the political parties of Ukraine was due to aspiration of Bolsheviks towards monopoly for power in Ukraine.