Historians identify turning points and recognize that the choice of specific dates gives a higher value to ones narrative, region, or group
Answer:
Nineteenth-century Russian society was rigidly hierarchical, with an established class system that provided the outlines for the social and economic order.
City dwellers faced the noise, dirt, and crime of the cities, the hardships of factory work, and the overcrowded, dangerous conditions of tenements.
Governments and city planners tried to alleviate dangerous conditions and make cities better, safer places to live.