Later the Pretoria Minute was another step towards resolution where agreements at Groote Schuur were reconsolidated and steps towards setting up an interim government and drafting a new constitution were established as well as suspension of the military wing of the ANC â `` the Umkhonto we Sizwe . Later the Pretoria Minute represented another step towards resolution where agreements at Groote Schuur were reconsolidated and steps towards setting up an interim government and drafting a new constitution were established as well as suspension of the military wing of the ANC â `` the Umkhonto we Sizwe .