What role did trade play in the colonization of West Africa?

The gold mines of West Africa provided great wealth to West African Empires such as Ghana and Mali. Other items that were commonly traded included ivory, kola nuts, cloth, slaves, metal goods, and beads. As trade developed across Africa, major cities developed as centers for trade.

Explanation:

states began imposing duties on each other's goods. congress had no way to raise money for an army to expel them.

to fight against injustice and class division