One of the Major Downsides of Urban Dwelling During the Gilded

One of the major downsides of urban dwelling during the Gilded Age was

A) a rise in sicknesses as a result of the overcrowding of living conditions in the cities.
B) a rise in crime caused by the sheer amount of people in the area.
C) the lack of space forced homes to be too expensive to purchase for most people.
D) cultural clashes between people of different ethnicities that were forced into close proximity with one another.
E) the lack of available health care professionals for those who needed them.