Kenya African National Union nonetheless decided to remove all provisions of a federal nature from the constitution. Kenya became independent on December 12, 1963, and the next year became a republic within the Commonwealth. Jomo Kenyatta, head of the Kenya African National Union, became Kenya's first president. KADU dissolved itself voluntarily in 1964 and joined KANU after a strong lobbying by Tom Mboya. A small but significant leftist opposition party, the Kenya People's Union (KPU), was formed in 1966, led by Jaramogi Oginga Odinga, a former vice president and Luo elder. The KPU was banned and its leader detained after political unrest related to
Jomo Kenyatta own wishes". Kenyatta expressed this in his statement that "I have stood always for the purposes of human dignity in freedom, and for the values of tolerance and peace." This approach was similar to the Zambian President Kenneth Kaunda's ideology of "African humanism". Murray-Brown noted that "Kenyatta had always kept himself free from ideological commitments", while the historian William R. Ochieng observed that "Kenyatta articulated no particular social philosophy". Similarly, Assensoh noted that Kenyatta was "not interested in social philosophies and slogans". Various commentators and biographers described him as being politically conservative, an ideological viewpoint likely bolstered by his training