Already wrote one half pages need to continue work on it. Two points are added a

Already wrote one half pages need to continue work on it. Two points are added at the last paragraph in the paper, those can be extended to two paragraphs.
2) Vertical growth and / or horizontal growth.
Sanderson (and most others) see the continuation of the presence of vertical growth (skyscrapers, etc.) into the future. However, in the twentieth century, the suburbs heavily developed party to lower the population density in residential areas and escape the crowded and possibly stressful aspects of cities.
As we are experiencing the Covid-19 pandemic, due to the ability for working remotely, urban centers of business and residence are declining in value both in the U.S. but increasingly around the world. And some people are beginning to move out of the center of cities to the suburbs and possibly beyond. Also, with the continuing decline of manufacturing, especially in cities, modern technology easily allows many people to work at home or in their local communities, creating the possibility that traditional cities may be archaic. In fact, even working class lower salary jobs may develop this way in the future.
What is an alternate (and yes, “edgy”) approach transiting the current city to a state and nation of more evenly distributed population density, and its effects on lifestyles, human interactions, etc.