The Cultural Differences Argument was stated as follows: 1) Different cultures have different moral codes. 2)Therefore, there is no objective truth in morality. Right and wrong are only matters of opinion, and opinions vary from culture to culture. Why does Rachels believe this argument fails? Group of answer choices He believes that morality is based on the self rather than society. This argument suggests that disagreement is enough to demonstrate there is no objective truth in the matter, but it isn't. He doesn't believe there is any disagreement about morality. Rachels believes that culture's disagreement demonstrates there is no objective morality.