Researchers Studied Crime Statistics Both Before and After the Supreme

Researchers studied crime statistics both before and after the Supreme Court reinstated the death penalty in 1976.These researchers found that the return to capital punishment

A) had no effect on single homicides, but reduced multiple homicides.
B) had no effect on homicides.
C) was actually accompanied by a rise in homicide rates.
D) reduced homicides resulting from instrumental aggression, but had no effect on homicides resulting from hostile aggression.