During the Reform Era,the Concept of ____________ Developed,a Phrase Referring

Multiple Choice

During the reform era,the concept of ____________ developed,a phrase referring to the line that separates law-abiding,peaceful citizens from the murderous,plundering villains who prey upon them.The phrase also suggests a distance between the police and the public they serve.

A) psychological distancing
B) us against them
C) enemy and pigs
D) the thin blue line