According to the frustration-aggression principle, frustration is responsible for creating anger and this anger leads to aggressive behavior. Frustration occurs when you are blocked by someone to achieve your particular goal and this frustration triggers aggression.
So will is frustrated after learning that he is not selected in the team which leads to aggression in him due to which he vandalized the team's locker room and broke several of the school's windows. So here his aggressive behavior can be best explained by the frustration-aggression principle.
A good way to make friends is to start with people you have things in common with. If you are in a club or on a sports team that is a good place to start. Benefits of having friends is
