According to Rachels (in Ch. 2 of The Elements of Moral Philosophy), the Cultural…

According to Rachels (in Ch. 2 of The Elements of Moral Philosophy), the Cultural Differences Argument is invalid because:
a.      We cannot conclude that there are no moral truths based on the observation that different societies–past and present-disagree over what the moral truth
.
b.      Some societies just plain don’t like each other.
c.      Ethics is like chocolate and vanilla.
d.      Opinions cannot be relied upon.
e.      None of the above.