What is the main conflict in The Bride Price by Buchi Emecheta?

Buchi Emecheta in her novel The Bride Price (1976) tells the story of the clash between the traditional customs of a small Ibo village in Nigeria and the ever-encroaching influence of Africa's European colonizers, as seen through the eyes of a young girl. The bride price, a fee that is traditionally paid by the prospective husband's family for the prospective wife, is a theme that weaves its way throughout the novel.