All of the Following Factors Likely Contributed to the Change

Multiple Choice

All of the following factors likely contributed to the change in American crime rates in the 1990s EXCEPT:

A) the aggressive efforts by police to reduce gun crime
B) a booming economy and the job growth of the 1990s
C) a decline in the market for crack cocaine
D) an increased stigmatization of crack among young urban residents
E) a reduction in the number of police officers