It is usually driven by a common market or community interest , or the dependency of a small community on the larger one .
EAS is more common in areas with contiguous rural occupancy , and is rare for communities separated by undeveloped wilderness .
EAS is usually driven by a common market or community interest , or the dependency of a small community on the larger one .
EAS is more common in areas with contiguous rural occupancy , and is rare for communities separated by undeveloped wilderness .