According to old customs, women did not have much say in whom they married- and they still don't in some places. That's one good thing about a compound(many wives): support is built in, whereas in modern Western society some people spend quite a lot of money finding "support groups".
About two-thirds of Nigeria lies in the watershed of the Niger River, which empties in to the Atlantic at the Niger Delta, and its major tributaries: the Benue in the northeast, the Kaduna in the west, the Sokoto in the northwest, and the Anambra in the southeast.
In Nigeria, education continues to be tuned to the advantage of wealthier city people who have better chances of converting it into real jobs. This is exacerbated by poor facilities in rural areas.