It was a common practice in the XIX and XX century, because there were not good living areas near factories. Some big conglomerates build houses for their worke

It was a common practice in the XIX and XX century, because there were not good living areas near factories. Some big conglomerates build houses for their workers, and they assign them to employees based on category, family size or marital status. Example Berlin [1] [1] https://en.wikipedia.org/wiki/Siemensstadt https://en.wikipedia.org/wiki/Siemensstadt