the main form of west african government was\ndemocracy.\nbureaucracy.\naristocracy.\nautocracy.

Brief Explanations:

Historically, in West - African societies, many were organized around aristocratic systems where power was concentrated among a noble or elite class. Democracy as known in modern terms was not the main form. Bureaucracy was not the over - arching form of government. Autocracy is too extreme and not representative of the general governance structure. Aristocracy was more prevalent with ruling classes often based on lineage and status.

Answer:

aristocracy.