The West African culture that is most associated with iron-smelting is the Nok culture.
The West African culture most associated with iron-smelting is the Nok culture. To arrive at this answer, we can eliminate Nigeria and Sahara as options because they are not specific cultures, but rather broader regions. This leaves us with Nok and Mali. While iron-smelting did occur in Mali, it was the Nok culture that is most commonly associated with this practice. Therefore, the correct answer is Nok.
