Witwatersrand Native Labour Association
Eventually , it comprised a large organisation with its own depots , buses and aeroplanes spread over the whole of Southern Africa: South Africa , Basutoland , Swaziland , South West Africa , Bechuanaland , Northern Rhodesia , Southern Rhodesia , Nyasaland , Angola , Mozambique , extending into the Belgian Congo and Tanganyika . 
<triplet> Southern Africa <subj> South Africa <obj> has part <triplet> South Africa <subj> Southern Africa <obj> part of <triplet> Swaziland <subj> Southern Africa <obj> part of