It <span>gave government direct control of a business.</span>
One natural advantage that the kingdoms of West Africa had was "<span>B. An abundance of natural resources including salt and gold," which is why it became such a popular trading area. </span>
<span>Between 1790 and 1900 American cities expanded steadily. The Industrial Revolution brought new products and opportunities to learn new skills to the common citizen. People left their farms and moved to cities with the hope of improving their standards of living.</span>