Bill walks into a bar, orders a drink, and begins playing pool. Several minutes later, one of the bar's regulars insults Bill, who punches the man and thus starts a fistfight. This scenario depicts an example of .

Reactive aggression

Explanation:

Reactive aggression refers to an aggression that occurs when someone or something else provokes the reaction, for example, a perceived threat and in the statement, it indicates that Bill punches the man because he insulted him and his agression was a reaction to the provocation. According to this, the answer is that this scenario depicts an example of reactive aggression.

answer; compulsions is a term that refers to repetitive behaviors performed;

answerclassical conditioning;