Under Terre 'Blanche , the AWB swore to use violence to preserve minority rule , opposing any concessions offered to the African National Congress - an organisation AWB supporters repeatedly branded as Marxist terrorist s Immediately prior to South Africa 's 1994 South African general election , Terre 'Blanche 's followers were linked to a number of bombings and assassinations targeting the South African Communist Party ; armed AWB commandos participated in the crisis in Bophuthatswana in 1994 .