EntityQ1569985· pop 20· linked from 522 articlesLeft OppositionSign in to savefaction within the Bolshevik Party from 1923 to 1927 headed de facto by Leon TrotskyConnectionsVladimir LeninEntityCommunist Party of the Soviet UnionEntityindustrialisationEntityNew Economic PolicyEntityGeneral Secretary of the Communist Party of the Soviet UnionEntityNikolai KrestinskyEntitySocialism in One CountryEntityCommittee for a Workers' InternationalEntitycollective farmingEntityanti-Stalinist leftEntityMichel PabloEntityIvan Nikitich SmirnovEntityInternational Committee of the Fourth InternationalEntitylist of Trotskyist internationalsEntityFinlandCountryIndiaCountryParisEntityLondonCityMoscowCityBerlinEntityCategories1923 establishments in the Soviet Union1927 disestablishments in the Soviet UnionAnti-Stalinist leftCommunist parties in the Soviet UnionLeft OppositionTrotskyism in Russia