How did the culture of the nok changed by an outside force?

The Nok culture was dedicated to artistic creations. Simply, these creations complemented other cultures with agricultural interests. This culture, like other cultures some time ago, were eradicated by environmental forces that prevented such cultures from growing crops to feed their people. As such, contextual factors such as the environment and changing climate prevented these types of cultures from thriving.

Dpolitical is the answer