Respuesta :
A.) Middle class
In the later 19th Century, tenement housing became popular among the middle class people, causing multiple problems such as, overcrowding.
In the later 19th Century, tenement housing became popular among the middle class people, causing multiple problems such as, overcrowding.
Answer: The correct answer is : a.) Middle class
Explanation: At the end of the 19th century these apartment buildings were inhabited by middle class people and at the beginning of the 20th century, upper class people also moved to these types of housing, changing social class