Southern Rhodesia more amenable to allowing black nationalism than the Southern Rhodesians. Accordingly, Britain granted independence to Northern Rhodesia on 24 October 1964. However, when the new nationalists changed its name to "Zambia" and began tentatively at first and later in rapid march an Africanisation campaign, Southern Rhodesia remained a British colony, resisting attempts to bring in majority rule. The colony attempted to change its name to "Rhodesia" although this was not recognised by the United Kingdom. The majority of the Federation's military and financial assets went to Southern Rhodesia, since the British Government did not wish to see them fall into
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,