Once Lenin's heir apparent, in 1925 he was removed as Commissar of War; by 1929 he was banished from the country
[DOC] [TLE] H-Diplo Roundtable XVII, 19 on Stalin Volume I: Paradoxes of ... [PAR] Apr 5, 2016 ... Only Stalin left a deep and lasting imprint on the country he led, ... II: Waiting for 
Hitler, 1929-1941 (Penguin).