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,
Company rule in Rhodesia Whites in Northern Rhodesia were primarily concentrated in the far west, along the railway line between Bulawayo and Élisabethville in the Belgian Congo. A community of about 250 lived in the vicinity of Fort Jameson near the eastern border. In between were vast swathes of largely uninhabited bush, which lacked roads, railways and telegraph lines, making communication between the two White communities very difficult. The amalgamation of North-Western and North-Eastern Rhodesia in 1911 did little to improve the situation. Northern Rhodesia suffered as the result of its artificial nature—the country was not homogeneous in terms of population, history or geography—and