B would be the most obvious option.
Answer:
I think it's (reality therapy) but I am not sure..
The reason why ethics differs when we're talking about people, companies, nations is that all of these have interests which may differ. What happens then with differing interests is that it also lead to different moral and value systems which again in turn lead to different ethics. Most usually, the actual source why ethics differ is either due to the interests or wishes of a particular social group mentioned here.
Answer:
There nothing here how do I answer your question
