Why Do the Kalabari Carve Wooden Sculptures of Spirits

Why do the Kalabari carve wooden sculptures of spirits?

A) purely for aesthetic reasons
B) as an artifact of colonialism; the carvings were a form of resistance to the colonial intrusion and were used in voodoo rituals
C) to market and sell them on the world market
D) to manipulate spiritual forces, illustrating that not all sculpture is art
E) to serve as voodoo dolls