Mau Mau Uprising more mobile formations that delivered what he termed "special treatment" to an area. Once gangs had been driven out and eliminated, loyalist forces and police were then to take over the area, with military support brought in thereafter only to conduct any required pacification operations. After their successful dispersion and containment, Erskine went after the forest fighters' source of supplies, money and recruits, i.e. the native Kenyan population of Nairobi. This took the form of Operation Anvil, which commenced on 24 April 1954. By 1954, Nairobi was regarded as the nerve centre of Mau Mau operations. Anvil was the ambitious
Mau Mau Uprising noting the similarity between such analysis and the "simplistic" earlier studies of Mau Mau. This earlier work cast the Mau Mau war in strictly bipolar terms, "as conflicts between anti-colonial nationalists and colonial collaborators". Caroline Elkins' 2005 study, "Imperial Reckoning", has met similar criticism, as well as being criticised for sensationalism. Broadly speaking, throughout Kikuyu history, there have been two traditions: "moderate-conservative" and "radical". Despite the differences between them, there has been a continuous debate and dialogue between these traditions, leading to a great political awareness among the Kikuyu. By 1950, these differences, and the impact of colonial rule, had