This was opposed Agree_or_refuse_to_act by the Zaians , led by Mouha ou Hammou Zayani .

They opened Openness negotiations with Hammou 's sons , persuading three of them , along with many of their followers , to submit to French rule .

A split in the Zaian Confederation between those who supported submission and those still opposed led to Causation infighting and the death of Hammou in Spring 1921 .