By birth? i think? do you mean like how did they get in a certain caste? because then it would be by birth. but if you mean like what were the castes, i forget.
Answer:
Yes the story is true follow me add to brain
B.)the most talented and wealthyshould earn for the masses
Answer:
it will be option C. bats
Answer:
Name the type of reaction involved in the conversation of ethanol to Ethan