Northern Rhodesia was intensely unpopular among the vast African majority and its formation hastened calls for majority rule. As a result of this pressure, the country became independent in 1964 as Zambia. The geographical, as opposed to political, term "Rhodesia" referred to a region generally comprising the areas that are today Zambia and Zimbabwe. From 1964, it only referred to the former Southern Rhodesia. The name "Rhodesia" was derived from Cecil John Rhodes, the British capitalist and empire-builder who was a guiding figure in British expansion north of the Limpopo River into south-central Africa. Rhodes pushed British influence into the region by
Northern Rhodesia to justify the capital cost of building a railway to the coast, but expeditions between 1899 and 1901 proved their value. Copper deposits found in Northern Rhodesia before the First World War proved uneconomic to develop. In 1906 Union Minière du Haut Katanga was formed to exploit the Katanga mines. King Leopold wanted a railway entirely in Congolese territory, linked to the Congo River, but in 1908, he agreed with the British South Africa Company to continue the Rhodesian railway to Elizabethville and the mines. Between 1912, when full-scale copper production began, until 1928 when a Congolese line was completed,