▁Pet ro grad ▁Soviet ▁fre ed ▁all ▁ja iled ▁B ols he vik s ▁and ▁T rot sky ▁became ▁chairman ▁of ▁the ▁Pet ro grad ▁Soviet . ▁G row ing ▁numbers ▁of ▁social ists ▁and ▁lower - class ▁Rus si ans ▁viewed ▁the ▁government ▁less ▁as ▁a ▁force ▁in ▁support ▁of ▁their ▁needs ▁and ▁interests . ▁The ▁B ols he vik s ▁benef ited ▁as ▁the ▁only ▁major ▁organized ▁opposition ▁party ▁that ▁had ▁refused ▁to ▁comprom ise ▁with ▁the ▁Pro vis ional ▁Government , ▁and ▁they ▁benef ited ▁from ▁growing ▁fr ustration ▁and ▁even ▁dis g ust ▁with ▁other ▁parties , ▁such ▁as ▁the ▁Mens he vik s ▁and ▁Social ist ▁Revolution aries , ▁who ▁stub born ly ▁refused ▁to ▁break ▁with ▁the ▁idea ▁of ▁national ▁unity ▁across ▁all ▁classes . ▁ ▁In ▁Finland , ▁Len in ▁had ▁worked ▁on ▁his ▁book ▁State ▁and ▁Revolution ▁and ▁continued ▁to ▁lead ▁his ▁party , ▁writing ▁newspaper ▁articles ▁and ▁policy ▁decre es . ▁By ▁October , ▁he ▁returned ▁to ▁Pet ro grad ▁( present - day ▁St . ▁Petersburg ), ▁aware ▁that ▁the ▁increasing ly ▁radical ▁city ▁presented ▁him ▁no ▁legal ▁danger ▁and ▁a ▁second ▁opportunity ▁for ▁revolution . ▁Rec ogn ising ▁the ▁strength ▁of ▁the ▁B ols he vik s , ▁Len in ▁began ▁pressing ▁for ▁the ▁immediate ▁over throw ▁of ▁the ▁Ker ens ky ▁government ▁by ▁the ▁B ols he vik s . ▁Len in ▁was ▁of ▁the ▁opinion ▁that ▁taking ▁power ▁should ▁occur ▁in ▁both ▁St . ▁Petersburg ▁and ▁Moscow ▁simultaneously , ▁parent