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 ordinary constituencies, although all votes counted in full. Before the end of BSAC administration, Northern Rhodesian law was in conformity with the laws of England and Wales and its High Court of Northern Rhodesia was ultimately subordinate to those of the United Kingdom. This continued after 1924; all United Kingdom statutes in force on 17 August 1911 were applied to Northern Rhodesia, together with those of later years if specific to the Protectorate. Where Africans were parties before courts, Native law and customs were applied, except if they were "repugnant to natural justice or morality", or inconsistent with any other