The tribes of central and southern africa are based on which custom

A. european

B. asian

C. arabic

D. africa

Answer: Africa

Option D, Africa is the right answer.

The family unit in the ethnic groups of Africa is of great importance, throughout Africa. The culture of African tribes gives value to the services provided by its members to the group. Hence a great emphasis in African culture is given to the children, to learn how to become a good member of the tribe he belongs.