The main factor that contributed to the rising of the Kingdom of Ghana is the African trade in gold and salt. Though the resources did not come from Ghana, it was situated in a trading route between salt miners in North Africa and gold traders from South Africa.
Answer: The Romans used gold, silver, and bronze coins for trade and to pay taxes. Goods came to the Roman Republic from several regions outside of Italy.
Explanation:
Archaeological and written sources prove that the Romans used money in exchange. The Romans had a highly developed monetary system, one of the highest quality in all of antiquity. It was common knowledge that the Romans had a highly developed trade, so they traded with many countries outside their state's borders. Luxury goods from other parts of the world came to Rome most often.