Compare the nursing codes of ethics for your specialty practice, national, and international practice areas. How do they differ?

How often have you come across the terms public health nursing, community health nursing, and community based nursing in your environment? Do you think it is a good idea to distinguish between them? Justify your answer.
Compare the nursing codes of ethics for your specialty practice, national, and international practice areas. How do they differ? Does it make sense to have more than one code of ethics for nurses? Give reasons for your point of view.