 Along the other social-democrats, he supported the position of the PSD leader Christian Rakovsky, who believed the situation in Romania was not ripe for the overthrow of the monarchy.Joining Christian Rakovsky and Bujor, Nicolau left in June 1917 for Russia, where he entered the Russian Social Democratic Labour Party (bolsheviks).He settled in Odessa and, along with Bujor, Ion Dic Dicescu, and Alter Zalic, he was one of the organisers and afterwards leaders of the "Romanian Committee for Social-Democratic Action" established in the city.