Eastern part of North America run from north to south along the Atlantic ocean. It is a fertile land which consists of gulf plain, Atlantic coastal plain and St. Lawrence river basins. There are several indentations resulted by gulfs, bays and inlets. So, thousands of harbors have been established. They provide an ideal condition to keep trade relation with different parts of the world. Moreover, this region has equable climate. Such climate is best for human habitation highly advanced people in this region. They have established many industries and run all sorts of services. The biggest and famous inventions of the world have taken place in this region. So, eastern part of the North America is highly developed.