The correct answer is B. Gold
Explanation:
Ghana is a country located in West Africa. In previous centuries, especially during Ancient times and the Middle Ages Ghana different kingdoms were created in this territory, including the Ashanti Empire that was especially prosperous and wealthy. Additionally, in terms of the economy, this and other empires relied on gold trade mainly by trading gold itself, different objects made of gold and gold bar that guaranteed the kingdoms were prosperous as these products were traded with many other countries including European countries. Therefore, the one that was a source of prosperity in ancient Ghana was Gold.
