 The expansion of the party occurred as it became one of several caste-based armed groups in the area.The party mobilised lower-caste Biharis, and frequently clashed with various militia groups defending upper-caste interests.At times it also clashed with other Naxalite groups, such as when MCC militia killed 5 Communist Party of India (Marxist-Leninist) Liberation members in Jehanabad district on 4 April 1994.