What societal stratification has historically resulted from restrictive single-family zoning provisions?
Answer
Economic and racial segregation
Historically, single-family zoning, which often mandates large lot sizes and excludes multi-family housing, has been used intentionally or unintentionally to promote economic and racial segregation by limiting affordability.

Related Questions
What were the primary drivers leading to the formal system of modern zoning codes?Which US city is cited as having one of the earliest major examples of comprehensive land use zoning ordinances starting in 1909?Which city is most frequently credited as the birthplace of the modern, comprehensive zoning resolution adopted by 1916?What specific development catalyzed New York City's push for its pioneering 1916 zoning resolution?What was the decisive 1926 Supreme Court case that affirmed the constitutionality of separating incompatible land uses?The zoning structure formalized after the Euclid case and standardized by the SZEA is known by what name?What fundamental principle does Euclidean Zoning operate upon regarding land uses?Which early zoning tool was used to manage the sheer volume of building allowed on a given piece of land by using a ratio?What negative consequence, demanded by strict separation, arose from neighborhoods being dedicated solely to one purpose?What societal stratification has historically resulted from restrictive single-family zoning provisions?Instead of abstract separation of functions, what characteristic do modern reform movements prioritize regulating?