Northern Rhodesia had been detained without trial, following claims that they had planned the indiscriminate killing of Europeans and Asians, and of African opponents, the so-called "murder plot". Shortly afterwards, on 12 March 1959, the governor of Northern Rhodesia also declared a State of emergency there, arrested 45 Zambia African National Congress including Kaunda and banned the party. Kaunda later received a 19-month prison sentence for conspiracy, although no credible evidence of conspiracy was produced. The declaration of States of emergency in both Northern Rhodesia and Nyasaland marked the end of attempts by their nationalist parties to work within the colonial system,
Northern Rhodesia other British territories were fixed by Orders-in Council. The border between the British Central Africa Protectorate and North-Eastern Rhodesia was fixed in 1891 at the drainage divide between Lake Malawi and the Luangwa River, and that between North-Western Rhodesia and Southern Rhodesia became the Zambezi River in 1898. The area of what became Northern Rhodesia, including Barotseland and land as far as Nyasaland to the east and to Katanga and Lake Tanganyika to the north, was placed under BSAC administration by an Order-in-Council of 9 May 1891, but no BSAC Administrator was sent to Barotseland until 1895, and the first