The geographic feature that formed the eastern boundary of the thirteen American colonies was the Atlantic Ocean. That geographic feature still forms the eastern boundary of the continental United States. As boundaries go, the Atlantic Ocean is a very good boundary to have. It provides all kinds of natural resources, which was useful for the colonists. Food would be a good example: the fishing grounds that exist in that part of the world are among the best. Being right on the Atlantic Ocean also gave the colonies easy access to various trade routes with multiple countries. This allowed the colonies to develop as powerful import and export hubs due to water access through many harbors. The booming trade industry helped establish and maintain jobs and supported the economy. The British recognized the importance of this boundary, which is why they tried to blockade much of it during the American revolution.

The Atlantic Ocean was the geographic feature that formed the eastern boundary of the 13 colonies. The Atlantic Ocean proved to be very important to the colonists. For those colonists living in New England, the Atlantic Ocean provided very fertile fishing areas. As a result, one of the main jobs of the New England colonists was fishing. Since the ports and harbors were very good, there was a lot of trade that occurred. Trade was very important to colonists. They depended on providing England with products as well as receiving various products from England. This also created jobs for many colonists. Some people built ships so products could be traded. Being located along the coast provided some very significant advantages for the colonies. The Atlantic Ocean was a very important geographic feature.