text: This event disrupted a community of drug-addled aristocrats called the Happy Valley set.
full_question: This event disrupted a community of drug-addled aristocrats called the Happy Valley set. During thisevent, prisoners classified as "White," "Grey," and "Black," were moved up and down the Pipelineconcentration camp system. In response to this event, land was redistributed to families via theSwynnerton Plan. Rawson Macuria claimed that participants in this event practiced blood-drinkinginitiations during the trial of the Kapenguria Six. General (*) China led forces in this conflict, during whichOperation Anvil occurred. This rebellion prompted Governor Evelyn Baring to declare a State of Emergency, and itwas begun by the Kikuyu-dominated Land and Freedom Army. For 10 points, name this rebellion against Britishrule in Kenya.
first_sentence: This event disrupted a community of drug-addled aristocrats called the Happy Valley set.
raw_answer:  Mau Mau Uprising [or equivalents such as Mau Mau Rebellion; or Kenya Emergency until "Kenya" is read]