Operation Anvil (Mau Mau Uprising) the reserves. The "Grey" grade was made up of prisoners believed to be passive Mau Mau sympatherisers though for whom strong evidence suggesting their true loyalties was lacking. The last category, "Black", was reserved for detainees identified by the hooded informers or the Special Branch of the Kenya Police as potentially violent insurgents or terrorists. A few may have been prosecuted by the government, but most were funneled through the "Pipeline", a system of work camps, decreasing in brutality until an individual was "re-educated" and deemed safe to release on a native reserve. Operation Anvil (Mau Mau Uprising) Operation Anvil
Mau movement The apology covered the influenza epidemic of 1918, the shooting of unarmed Mau protesters by New Zealand police in 1929 and the banishing of matai (chiefs) from their homes. The Mau had manifestations in both the Western and Eastern Samoan island groups. The Mau movement emerged as an articulated of an indigenous response to the U.S. annexation of the eastern Samoan islands in 1899. It featured the signing of petitions in efforts to enact political transformation vis-a-vis American colonial government, and included effort to resist taxation of copra. There was an American Samoa Mau that took place in Tutuila in