Final answer:
The rundown neighborhoods created during the Industrial Revolution Era due to overcrowding in cities were known as Tenement Housing.
Step-by-step explanation:
During the Industrial Revolution Era, the sudden growth of cities led to a housing shortage, resulting in the creation of overcrowded and rundown neighborhoods. The proper term for these neighborhoods is a. Tenement Housing. Tenement buildings often lacked proper sanitation and were dangerously cramped, leading to the rapid spread of diseases such as tuberculosis and pneumonia.
Regulations were eventually enacted to improve living conditions, but these were not always successful in alleviating the poor living standards of the working class during this time.