ated . ▁Fort un ately ▁the ▁policy ▁of ▁gl as nost ▁had ▁led ▁to ▁the ▁opening ▁of ▁numerous ▁arch ives , ▁which ▁make ▁it ▁possible ▁ ▁to ▁better ▁trace ▁the ▁evolution ▁towards ▁St alin ism . ▁ ▁Rog ov in ▁writes ▁that ▁the ▁treat ise ▁did ▁not ▁consider ▁the ▁deb unk ing ▁of ▁various ▁mis con ception s , ▁in ▁order ▁not ▁to ▁unnecess arily ▁dis rupt ▁the ▁harm ony ▁of ▁the ▁ex position ▁of ▁the ▁second ▁alternative ▁mentioned ▁above : ▁to ▁demonstrate ▁that ▁St alin ism ▁was ▁not ▁the ▁only ▁logical ▁possibility ▁of ▁the ▁evolution ▁of ▁the ▁principles ▁of ▁B ols he v ism . ▁ ▁With ▁the ▁above ▁purpose ▁in ▁mind , ▁the ▁major ▁focus ▁of ▁the ▁treat ise ▁was ▁necessarily ▁T rot sky ism ▁and ▁the ▁Left ▁O pp osition ▁movement ▁within ▁B ols he v ism . ▁This ▁focus ▁gave ▁rise ▁to ▁accus ations ▁of ▁bias . ▁For ▁example , ▁historian ▁Y uri ▁F els ht in sky ▁recognized ▁the ▁value ▁of ▁his ▁work , ▁while ▁express ing ▁an ▁opinion ▁that ▁.. В се ▁эти ▁кни ги , ▁однако , ▁про ник ну ты ▁бе зу дер жной ▁а поло ге ти кой ▁Т ро ц кого ▁и ▁про и сте ка ющим ▁от с ю да ▁до г мати з мом ▁(" All ▁of ▁these ▁books , ▁however , ▁are ▁im bu ed ▁with ▁r amp ant ▁apolog et ics ▁of ▁T rot sky ▁and ▁with ▁the ▁dog mat ism ▁stem ming ▁from ▁the ▁former ." ). ▁