Mau Mau Uprising 1950s progressed, nationalist intransigence increasingly rendered official plans for political development irrelevant, meaning that after the mid-1950s British policy increasingly accepted Kenyan nationalism and moved to co-opt its leaders and organisations into collaboration. It has been argued that the conflict helped set the stage for Kenyan independence in December 1963, or at least secured the prospect of Black-majority rule once the British left. However, this is disputed and other sources downplay the contribution of Mau Mau to decolonisation. On 12 September 2015, the British government unveiled a Mau Mau memorial statue in Nairobi's Uhuru Park that it had funded "as
Operation Anvil (Mau Mau Uprising) Mau" movement, had proliferated the Kikuyuland region. On 20 October the colonial governor declared a state of emergency, initiating efforts by the British military to put down the insurgency. The first months of the British campaign were plagued by a lack of discipline, communication, coherent strategy, and useful intelligence and little progress was made against the Mau Mau. An assault on the Naivasha police station and a massacre of civilians in the village of Lari in March 1953 dramatically escalated the conflict. Mau Mau activity also began to surface in the city of Nairobi, which had a large Kikuyu population.