Tenements were the houses built for the immigrants that arrived US during 1840 and 1850. Tenements are the urban dwellings but it does not meet the standard of a good sanitary life or poor sanitation.
Explanation:
Impoverished and undernourished families live in testaments. They are apartment house which fail to meet the sanitary standards, safety and comfort too. Trash piled up and garbage littered on the streets, poor sewage system also contribute to the spread of hazardous and contagious diseases.
Air quality also proves to be terrible. there was lack of fresh running water. Tenements housed more than one family in the same apartment. Unsanitary conditions always prevail which is not good for health. These were the housing facilities offered to immigrants until the implementation of new deal Programs.
A very basic answer could be ¨make an organized chart of data collected¨