Answer:
Utilitarianism
Explanation:
Utilitarianism is a moral philosophy that states that an act can be considered to be "right" (as opposed to wrong) if it contributes to the attainment of human satisfaction. This theory was developed by Jeremy Bentham and John Stuart Mill. The theory states that acts are not good or bad on their own, or based on a subjective interpretation of morals, but that they can in fact be measured and judged based on how much happiness they bring to people.
The correct answer is A. A panic attack.
Explanation
Panic attacks are temporary periods of scary, fear, anxiety, and other negative feelings, that occur spontaneously when people are in situations that can be considered maddening or overwhelming. Additionally, a panic attack produces physical symptoms like tachycardia, shortness of breath, pulmonary hyperventilation, involuntarily shaking, tremor or dizziness. From above, it can be said that Derek had a panic attack because he was in a situation that caused overwhelming for him and his symptoms were spontaneous and involuntary. So, the correct answer is A. A panic attack.
It's known as a neighborhood watch
(Sorry, I don't have any sources... I live in a neighborhood in which this tactic is employed, so that's my source, I guess)