The caste system in Hindu India is a social structure based upon which of the following?
A political party system strongly tied to economic class divisions such as blue-collar and white-collar workers
An economic class which poor people can work and earn money to raise their position in society
A social hierarchy in which a person is born into a caste and cannot change castes during their lifetime
A colonial social structure created by British rulers and imposed from the 1800s through the 1940s until independence
