“President Warren G. Harding’s secretary of commerce, Herbert Hoover, organized an Advisory Committee on Zoning to develop a manual explaining why every municipality should develop a zoning ordinance. The advisory committee distributed thousands of copies to officials nationwide. A few months later the committee published a model zoning law. The manual did not give the creation of racially homogenous neighborhoods as the reason why zoning should become such an important priority for cities, but the advisory committee was composed of outspoken segregationists whose speeches and writings demonstrated that race was one basis of their zoning advocacy.”
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Richard Rothstein,
The Color of Law: A Forgotten History of How Our Government Segregated America