Transcription: The southeastern United States is flat and low-lying, with a tropical and stormy climate. The humid cotton belt states give way to a more temperate populous region between the ancient Appalachian Mountains and the eastern seaboard. The far northeastern coast is cold and stormy, with few resources and a sparse population. Sea trade reaches central North America via the Gulf of St Lawrence. Except when closed by ice in winter, the man-made St Lawrence Seaway connects the Gulf to the Great Lakes. This vast water network carries freight such as grain and steel to and from the wealthy industrial re ...