implications to the claim that morality (400 words or less)

1. 1.  What are  some of the implications to the claim that morality is whatever a culture deems normal? Is this view plausible? Explain why or why not? 

   4)  According to ( the author), how do the concepts of moral progress and moral equivalence count against ethical relativism? 

2. 5)  According to the text, how are contradiction and disagreement a problem  for ethical relativism? Are these problems fatal to the theory?Explain in detail why or why not it may be the case

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