Northern Rhodesia the British South Africa Company administered territory of North-Western Rhodesia (now in Zambia), and Portuguese Angola although its boundary with Angola was not marked-out on the ground until later. The northern border of the British territory in North-Eastern Rhodesia and the British Central Africa Protectorate was agreed as part of an Anglo-German Convention in 1890, which also fixed the very short boundary between North-Western Rhodesia and German South-West Africa, now Namibia. The boundary between the Congo Free State and British territory was fixed by a treaty in 1894, although there were some minor adjustments up to the 1930s. Boundaries with
Northern Rhodesia crashed in 1931. An international agreement restricted output. This caused a catastrophe in Northern Rhodesia where many employees were sacked, and put an end to hopes which many Europeans had held of turning Northern Rhodesia into another white dominion like Southern Rhodesia. Many settlers took this opportunity to move back to Southern Rhodesia, while Africans returned to their farms. Despite the economic crash large firms were still able to maintain a profit. The fact that unemployed workers had left meant there were no increases in taxation, and labour costs remained low. At a 1932 conference of copper producers in New