 Complete the following phrase:  In June 1923, when Prime Minister Aleksandar Stamboliyski was deposed through a coup détat, Dimitrov and Khristo Kabakchiev, the leading communists in Bulgaria at that time, resolved not to take sides, a decision condemned by Comintern as a political capitulation brought on by the partys dogmatic-doctrinaire approach. After Vasil Kolarov had been sent from Moscow to impose a change in the party line, Dimitrov accepted Cominterns authority, and in September 1923, he and Kolarov led the failed 