Nigeria is probably the most religious country in the world outside of the USA. It is ironic that the favorite god in Nigeria is the Abrahamic god from the Middle East traditions. Nigeria's contact with this Abrahamic god is relatively new, no more than about 300 years old.
What really persuaded the Nigerian 200 - 300 years ago to abandon their own superstitions and adopt the superstitions of their invaders and colonisations?
How would a seventeenth century Nigerian have evaluated the following concepts? What tools or cognitive disciplines did they have to objectively scrutinize the narrative of the Abrahamic gods?
1) Virgin birth
3) Global Flood