The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Society differentiates its members in terms of superiority, inferiority , equality and other factors it divided itself into hierarchy of social groups called social stratification. Social stratification is social phenomena found in every society with different name and recognition. There are classes of people divided on some socially accepted basis in different societies. It is an ancient process since the birth of human civilisation, people have assigned roles and status according to their social position.