Where did ironworking spread from Nok, and which group probably brought the skills?

The answer is:

They moved Southward and migrated into central and southern Africa

an the group that brought the skills were the Bantu group.

Explanation:

The Nok culture was the west Africa's earliest culture, and were known for the smelt of iron.

The group of people called the Bantu began moving to the South and East and they brought the agriculture and iron skills. They populated much of the southern half of Africa.

Answer and Explanation:

The tremendous displacement of the Bantu-speaking people changed the culture of East and South Africa. Migrants bring new skills and ideas to society for people in the South and East.

Iron technology first appears in the African. It is commonly used in the South of the Sahara, the term Iron Age, to describe the parties that used iron in Africa until modern history.

The iron working at the site is now firmly established 200 years ago. Another tip started in Katsina-Ala, the center. Iron has an early history in sub-Saharan Africa. It has been speculated that iron smelting technology from North Africa was probably introduced in the region on the way to death. Still, it may have been developed locally, with earlier copper-based lubricating technology. In which iron was used as a flow.