Complex sentence: The Ndebele state to be founded by Mzilikazi would be the most liberal state in Southern Africa for its members, the kings word was not law because of the diversity of the conquered peoples and the stubbornness of the Khumalos themselves.
Split into simpler sentences: The Ndebele state to be founded by Mzilikazi would be the most liberal state in Southern Africa for its members. The king's word was not law because of the diversity of the conquered peoples, but because of the stubbornness of the Khumalos themselves.