Final answer:
The legal obligation of licensees and servers to protect patrons and the public from the harms of drinking activities is known as social responsibility.
Step-by-step explanation:
When licensees and servers have a legal obligation to take all reasonable steps to protect patrons and the public from harm associated with drinking activities, this is referred to as social responsibility. This obligation arises from the recognition that the misuse of alcohol can have severe negative impacts on individuals and society. Therefore, those who serve alcohol must do so in a manner that prioritizes the health and safety of the community, minimizing risks such as over-service, serving minors, or allowing intoxicated guests to drive. The correct answer to the student's question is (a) Social responsibility. This means that individuals and entities involved in the distribution and service of alcohol must adhere to practices that prevent harm and are mindful of their impact on society.