Living Conditions in Cities Improved Due to All of These

Multiple Choice

Living conditions in cities improved due to all of these reforms EXCEPT

A) the development of pure water and sewerage systems.
B) model homes built for the poor by wealthy philanthropists.
C) the demolition of old, unneeded urban defensive walls, replaced by wide avenues.
D) a successful effort to clean up all polluted rivers and lakes.
E) some increases in governmental regulations.