The author includes information about trade in the provided text in order to show the readers about the income and commercial success of the region.
<h3>What is meant by trade?</h3>
Trade means the acquisition and disposal of goods or services by the country or an investor.
From the given excerpt, the author indicates trade by referring to the production of commodities and their shipping through cargoes to other areas. This could result in providing gains on the trading transaction.
Therefore, the author wants to tell the readers about the wealth and commercial success that represents trade.
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