Concept:The pre-colonial economy operated mainly through the direct exchange of goods and services.
Explanation:Before the arrival of colonial administration, modern money was not common in most African societies.
People exchanged what they had for what they needed, such as swapping farm produce for tools or clothing.
This method of trade is called the barter system.
It was the most popular because trade depended on immediate needs and available resources.
Coins and paper notes were introduced later by colonial powers, while digital systems are a modern development.
As a result, the barter system dominated economic activities during the pre-colonial era.
Answer:A. The barter system