Instead of getting into physical fights when they want to intimidate or get even with
one another, adolescents sometimes spread vicious rumours to destroy the reputation
of another student. these behaviours are an example of
a) extreme prejudice.
b) assertiveness.
c) instrumental aggression.
d) antisocial behaviour e) hostile aggression.

Option (c) is correct.

The behavior given in the question are examples of Instrumental aggression. It is a terminology that refers to a calculated intrusive state that takes place in order to accomplish a specific goal. It is characterized by strong emotion, such as anger, and is targeted towards hurting another individual.

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;

answer; /// the correct answer is (a) burned the city;