Idk the answer girl idk what you mean
Answer:
Equality.
Explanation:
The principle of equality, as the exercise develops, states that everyone should be able to access to the same facilities and to each other. The quote shows said principle: it is unjust to treat people differently in ways that deny to some of them significant social benefits unless we can show that there is a difference between them that is relevant to the differential treatment. Different access to facilities, social benefits, social treatment, etc. should not exist as everyone is equal.
Social structure is a complex topic and involves and revolves around the basic frameworks we usually use to describe the common ways how people bond into hierarchically structured organizations, with these being either formal or informal.