The caste system, now illegal in India, is different from American social classes because.....
A
in America, no matter how hard you work or how lucky you are, you can not move up.
B
in the caste system, people can not move up the ladder of social levels in their lifetimes.
C
in India, your caste is based on what part of the country you live in.
D
in India, the rich give all of their money to the poor.