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,
Southern Rhodesia Dominion created the paradoxical situation of having a white elite owning most of the land and capital, whilst using cheap black labour. The Federation of Rhodesia and Nyasaland was dissolved on 1 January 1964. However, it was expected that only Nyasaland would be let go, whilst the remainder of Rhodesia both north and south would be united. Although Northern Rhodesia had a white population of over 100,000, as well as additional British military and civil units and their dependents, most of these were relatively new to the region, were primarily in the extraction business, had little landed interests, and were