Final answer:
The main import of the West African kingdoms was gold, which played a significant role in their economy.
Step-by-step explanation:
The main import of the West African kingdoms was gold. Gold was a highly prized commodity and played a significant role in the economy of these kingdoms. It was used for trade, to acquire goods and services, and to demonstrate wealth and status. Gold mining and trade routes were established, attracting merchants from various regions.
Learn more about West African kingdoms and their main import