Concept:Warrant Chiefs were local rulers appointed by the British colonial government to govern on its behalf.
Explanation:The British colonial administration in Eastern Nigeria appointed Warrant Chiefs as agents of local government.
They were issued warrants of appointment to exercise authority over designated areas.
Their major duty was to handle local administration, including keeping law and order and implementing colonial policies.
Although they also worked with native courts and markets, these were part of their wider administrative responsibilities.
Stopping ritual killings or preventing tribal wars were not their primary functions.
Answer:A. take charge of local administration