Since the end of the Second World War, American cities have undergone numerous, significant changes that have dramatically impacted their physical development, our way of life, and ultimately, the environment. These changes have come so quickly and dramatically that they may more aptly be described as a revolution or an upheaval. By the 1970s, this transformation was well established. As a result, the current generation of homeowners does not perceive a significant change and accepts the present circumstances as given, but they are far from what their parents knew.