(a) i. The Royalty (Afin)
ii. The Kingmakers (Oyomesi)
iii. Cult (Ogoni)
iv. The Osi Efa
v. The Oni Efa
vi. The Otun Efa
vii. Army (Are Onakakanfo)
(b) i. Oath of office; guaranteed loyalty among the chiefs.
ii. The traditional three arms of government (Oba/Oyomesi/Ogboni) checked one another.
iii. Impeachment/dethronement; threats or actual removal from office.
iv. The Oracle (Ifa) made predictions and advise on precautionary measures.
v. An occult calabash (igba-iwa); to checkmate abuse of power.