When scarce resources and social rewards get apportioned based on ascribed status, this is a A. Caste System.
<h3>What is a caste system?</h3>
A caste system is a social hierarchial system where people are treated differently based on their ascribed statuses in society.
As a result, the scarce resources in the society, are distributed based on these statuses such that those that are higher up in the system, gain more resources.