How does curfew reduce violence in local communities. 6 examples.

1).It help the police monitor the streets
2).youngsters are getting into trouble, it makes sense to get them off the streets.
3).reduces the act of gangs going aroind and killing or robbing
4).save the police time and makes it run more smoothly
5).there wont be any more vandalism
6).deqth rates will decline

The answer would be c.