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 for self-determination in 1922, this objection ceased, and in 1927 the Conservative Colonial Secretary, Leo Amery gave Southern Rhodesia settlers the impression that he supported their claim to acquire the more productive parts of Northern Rhodesia. At the end of the First World War, the European population of Northern Rhodesia was tiny, about 3,000 compared with ten times as many in Southern Rhodesia, but it increased rapidly after the discovery of the Copperbelt in the 1920s. Northern Rhodesian settlers wanted self-government for the European minority electorate, separate from Southern Rhodesia. However, once the British government appeared to reject the idea