What Are the Common Rationales for the Widespread Adoption of Surveillance

What are the common rationales for the widespread adoption of surveillance systems in large- and mid-sized cities?

A) To control the law abiding public and as a hiring program for police officers
B) Reduce crime rates while offsetting the need for more uniformed officers
C) Reduce crime rates while providing a way for police departments to expand the number of uniformed officers.
D) To increase costs associated with technology