 According to the characterization of P. A. Arshinov, Belash was “an excellent military strategist who developed all the plans for the army’s movement and was responsible for them”.On January 26, 1919, on behalf of the rebel headquarters, he went to Kharkov, where he negotiated with the command of the Southern Red Front on a military alliance, established contact with the Secretariat of the Confederation of Anarchists of Ukraine "Nabat", agreeing to regularly deliver anarchist literature and agitators to the Makhnovist-controlled area.In February 1919 he participated in the 2nd Huliaipole district congress, and on March 7, in the congress of the Military Revolutionary Council of Rebels.