i) The change of status of Kenya from protectorate to colony in 1920 alarmed the African community.
ii) Reduction of Africans wages by as much as a third despite their provision of labour
iii) Replacement of the Indian rupee with the shilling at short notice caught many Africans unaware and with valueless money.
iv) Forced labour to Africans through the introduction of Kipande system
v) World War I ex-soldiers experiences made many Africans to meet and compare experiences
vi) Realisation by Africans that the whites were fighting to their own interests and that they were no different as they could be killed just like them