Answers:
The volume of goods and services exchanged between nations is taking a growing share of the generation of wealth, primarily by offering opportunities of economic growth in new regions and by bringing down the costs of a wide assortment of goods that are manufactured. With the improvement in the infrastructure all over the world, the transportation cost is steadily coming down. This among other factors reduced the cost of goods to the benefit of the customer and to marketer.
Innovations and improvements in the types of transportation and infrastructures in terms of their capacity have resulted in a significant increase in of transport efficiency. Ports are especially significant in such a context as they function as gateways to international trade via sea routes. Consequently, the ability to transfer commodities, parts and finished goods has improved. More than an increase in trade results from decreasing transport costs; does more than increasing trade; it can also contribute towards a change in the location of economic activities.