Whakaotihia te rerenga e whai ake nei: Mai i te Maehe o te tau 1918 ki te Oketopa o te tau 1918 ko Smidovich te tumuaki o te Soviet o Moscow. Mai i te 1919 ko ia te tumuaki o te kaunihera o te rohe o Moscow. I te tau 1920 i uru ia ki te roopu Soviet i nga korerorero rangimarie me Poland. I te tau 1921 i uru ia ki te whakakorenga o te Tambov me te
Ko ngā whakakeke o Kronstadt. I te Tihema 30, 1922, i whakatuwherahia e ia te I-All-Union Congress of Soviets, i kowhiria ki tana perehitini. Mai i te 1922 he mema ia o te Komihana Anti-Religious i raro i te Central Committee o te All-Union Communist Party (Bolsheviks) me te upoko o te Secretariat for Religious Affairs, mai i te 1929 te Tiamana o te Komihana Tuturu mo nga Whananga i raro i te Presidium o te All-Russian Central Executive Committee.