According to Michael Smith, What Is the Main Difference Between

According to Michael Smith, what is the main difference between the definitions of 'aggression' and 'violence'?

A) Aggression is directed toward willing participants, whereas violence is directed towards innocent bystanders
B) Aggression includes behaviour designed to injure another person not just physically, but also psychologically
C) Violence is premeditated, whereas aggression is spontaneous
D) Aggression is instinctive behaviour, whereas violence is learned behaviour