Which of the Following Statements About Reforms in the Cities

Which of the following statements about reforms in the cities during the Gilded Age is accurate?

A) Reformers first introduced horse-drawn carriages to the cities, making transportation easier and safer.
B) Reformers convinced millions of people to leave the cities and start their own farms in rural areas.
C) Regular trash collection and the creation of sewer systems did not begin until well after 1900.
D) Reformers argued that slaughterhouses should stay within city limits because they provided healthy food options.
E) Public health officials and engineers improved tenements by calling for rules regarding more windows and plumbing.