Our earth is a combination of so many countries generally seen in between the oceans and the land. There are a wide range of differences in climate, resources, minerals, food and cash crops, people and their lifestyles among these countries. Each and every country is not at all self-sufficient in all types of resources or products. The products produced in the places where the nearness of the sea is a key factor are not alike that of the products of the continents. So in the ancient period onwards, people were eagerly enquired about the various products that were produced in the various parts of the world.
Some times, it was too difficult to reach in the remote areas of those countries form a distance. But the traders from various countries decided to travel to those distant countries. Thus the distant trade flourished. The traders competed among
