Final answer:
Utilitarianism is the ethical action that not only provides the most good or least harm but is concerned about how the good or harm is distributed. It prioritizes the overall well-being and happiness of society.
Step-by-step explanation:
The ethical action that not only provides the most good or least harm but is concerned about how the good or harm is distributed is utilitarianism. Utilitarianism is a consequentialist approach to ethics that focuses on producing the greatest amount of pleasure or utility for the greatest number of people. It prioritizes the overall well-being and happiness of society. Utilitarianism takes into account the consequences of actions and how they affect the distribution of good or harm.