What were the primary drivers leading to the formal system of modern zoning codes?
Answer
Rapid industrial change and concerns over public health and property values
The recent origin of formal zoning is rooted in the rapid industrial changes of the late 19th and early 20th centuries, driven by urgent needs to address public health issues and protect property values from industrial blight.

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?