Step-by-step explanation:
A caste system is one in which people are born into their social standing and will remain in ittheir whole life.
we apply different standards for members of diverse groups, there is upper class, midddle class and lower classes. American society is stratified into social classes based on wealth, income, educational , occupation and social networks .
the key points are there are competitive models for thinking about social classes in the US most American Americans recognize a three-tier structure that includes the upper, middle, and lower classes but variations delineate an upper-middle-class and a working class.
there are three key terms social network which the web of a person's social, family, and business contacts, who provide material and social resources.
hope that helps you out a little better .