They're not nations, but that work discussing the relationship between these entities and prosperity has a title referencing the best- known work by Adam Smith.
One work about these entities begins by describing them as a "product of the earth" before discussing the need to "Strip Off the Medieval Myth" of them. These entities are the first of the two title entities in a work that cites the Tennessee Valley Authority as an example of a "transaction of decline". They're not nations, but that work discussing the relationship between these entities and prosperity has a title referencing the best- known work by Adam Smith. Lewis Mumford's "Renewal of Life" series includes entries discussing the "culture of" these entities, and one of these entities (*) "in History". Another of them named for Broadacre was described as "Disappearing" in a book by Frank Lloyd Wright. The "Death and Life" of the "Great American" example of these entities was discussed in the best-known work of Jane Jacobs. For 10 points, name these entities studied by urban planners, an example of which is Chicago.
One work about these entities begins by describing them as a "product of the earth" before discussing the need to "Strip Off the Medieval Myth" of them.
cities [accept word forms of "city"; accept "town" or "urban areas" until "urban" is said] (The 1st two clues are from The Culture of Cities by Lewis Mumford and Cities and the Wealth of Nations by Jane Jacobs, respectively)