The thesis that since different societies and cultures have divergent values and standards of what is "ethically right" and "ethically wrong" it is appropriate to judge behavior as ethical/unethical in the light of local customs and social mores: A. is a view that characterizes the school of ethical relativism B. accounts for why there is no such thing as ethical standards for business enterprises. C. is the reason why codes of ethical and social morality have been established country by country. D. defines what is meant by "integrated social contracts theory." E. is the basis for the theory of ethical variation.