Mau Mau Uprising this point), and air attacks were initially permitted only in the forests. Operation Mushroom extended bombing beyond the forest limits in May 1954, and Churchill consented to its continuation in January 1955. Baring knew the massive deportations to the already-overcrowded reserves could only make things worse. Refusing to give more land to the Kikuyu in the reserves, which could have been seen as a concession to Mau Mau, Baring turned instead in 1953 to Roger Swynnerton, Kenya's assistant director of agriculture. The primary goal of the Swynnerton Plan was the creation of family holdings large enough to keep families self-sufficient
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.