Complex sentence: As Booth was banned from returning to Nyasaland, in 1907 when in Cape Town, he planned to train African evangelists to establish largely independent churches in their home areas that would be only loosely overseen by Booth and financed from America.
Split into simpler sentences: As Booth was banned from returning to Nyasaland, he went in 1907 to Cape Town. There he planned to train African evangelists to establish largely independent churches in their home areas that would be only loosely overseen by Booth and financed from America.