Mau Mau Uprising arable and grazing land. During the Emergency, "screening" was the term used by colonial authorities to mean the interrogation of a Mau Mau suspect. The alleged member or sympathiser of Mau Mau would be interrogated in order to obtain an admission of guilt—specifically, a confession that they had taken the Mau Mau oath—as well as for intelligence. Mau Mau Uprising The Mau Mau Uprising (1952–1964), also known as the Mau Mau Rebellion, the Kenya Emergency, and the Mau Mau Revolt, was a war in the British Kenya Colony (1920–1963). The definition of the term "Mau Mau" has been contentious. The
Operation Anvil (Mau Mau Uprising) in the process. Erskine intended on relocating all Kikuyu, Embu, and Meru people from Nairobi, but the colonial government rejected the plan, citing potential harm to the local economy and administration. The operation was based on one British security forces had conducted in Tel Aviv, Palestine. Its legality was assured by the Emergency Regulations and the Control of Nairobi Regulations of 1954, the latter of which permitted the colonial governor to issue "Evacuation Orders" to remove and detain individuals from the city so they could be screened for connections with the Mau Mau. Four battalions were earmarked for the action.