Suppose your friend is an animal rights advocate for the same reasons that singer is (utilitarian calculations). she thinks our system of meat production should be abolished, but by her own lights, her utilitarianism could sanction: meat production that was even more cruel than the system we have now. a humane form of meat production. a cruel but quick form of meat production. meat production in foreign countries.

The answer is A humane form of meat production.

To complete the sentence:

Her utilitarianism could sanction a humane form of meat production.

As what Peter Singer established, the utilitarian calculation, it stated that, the pain and pleasure of all sentient beings must be considered when deciding which action maximizes the good.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.