I believe the answer is: Persuasive power. While most societies accumulate wealth through the process of competition, Rank society often imposed by a society that had collective principles. Which means that they consider all resources and materials in their environment as being owned by all members. So, to acquire it, all you need is persuasive power to ask it.
C. is correct for Humphreys collecting data for the Tearoom Trade study under the pretense that he was a lookout is an example of a violation of the principle of:
