Complex sentence: Geographically, the label "Middle America" refers to the territory between the East (particularly the Northeast) and West coasts of the United States, and may refer to the inland portions of coastal states, especially if they are rural.
Split into simpler sentences: Geographically, the label "Middle America" refers to the territory between the east coast of the United States (particularly the northeast) and the west coast. The term has been used in some cases to refer to the inland portions of coastal states, especially if they are rural.