Answer:
A. caste system
Explanation:
Caste system -
It is the classification of the people of India , according to the status and power of the people , is known as caste system .
Where people from various casts are treated differently , as the people from lower caste , are considered to be poor and weak and hence are not given any rights .
Where as , people from the upper caste , are richer and powerful , who are provided with all the rights and power to rule .
Hence , from the given scenario , the correct answer is caste system .