The Local Police Have Increased Patrols to a Park Drug

Multiple Choice

The local police have increased patrols to a park drug dealers and vandals frequent. It seems as though the problem is solved but it is also possible that the criminals have simply moved to a new park. If this is so, what term is used to describe the effect of the police patrols in this situation?

A) desistence
B) discouragement
C) extinction
D) displacement