The correct option is D
As a result of the agricultural and demographic revolution, there was a massive exodus of peasants to the cities; the old farmer became an industrial worker. The industrial city increased its population as a result of the natural growth of its inhabitants and the arrival of this new human contingent. The lack of rooms was the first problem suffered by this socially marginalized population; He had to live in small spaces without minimal comforts and lacking in hygiene. Added to this were days of work, which reached more than fourteen hours a day, in which men, women and children participated with miserable salaries, and lacking legal protection against the arbitrariness of the owners of the factories or production centers.
