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 Mine Workers' Union 1940 NRWU launched a strike, which trigged a separate protest movement amongst African workers. In 1942 Maybank was deported from Rhodesia due to his activism. He was not allowed to return to the Copperbelt until the end of the Second World War. Northern Rhodesia Mine Workers' Union The Northern Rhodesia Mine Workers' Union (NRMU) was a trade union which existed in Northern Rhodesia between 1936 and 1964. It represented blue-collar, European workers in the copper mining industry. The NRMU was founded in 1936 by Charles Harris, the General Secretary of the South African Mine Workers' Union, as a local branch