Complex sentence: As Vice-President he did not agree with Jomo Kenyatta's government, and he resigned his post and quit KANU in 1966 to form the Kenya People's Union (KPU).
Split into simpler sentences: As Vice-President he did not agree with Jomo Kenyatta's government. This led to Odinga resigning from his post and quitting KANU in 1966 to form the Kenya People's Union (KPU).