Answer:
Parent Nation : Great Britain , Parent Nation's (Great Britain's colony) : America , Foreign Market : Africa
Explanation:
As per 'Triangular Trade & Mercantilism' case study ; linking - Great Britain, West Africa & colonies in America. The trade relationship from A to B, B to C, C to A - has following three regions
Eg : Great Britain manufactured goods supplied in Africa. In return, West Africa supplied cheap labour to colonial America. Colonial America further supplied goods needed by Great Britain.