In a caste system, people .

a
work to create a society in which levels are eliminated and everyone is viewed as equal
b
can move from one level of society to another
c
become Hindu to improve their place in society
d
are born into and must remain at a certain level of society

C

Explanation:

Caste is when each of the hereditary classes of Hindu society are distinguished by relative degrees of ritual purity or pollution and of social status.

Therefore, the answer most related to this, is C, "become Hindu to improve their place in society"...

Hope this helps! <3

answer; (wisconsin);

explanation: the badger state. this nickname originally referred to the lead miners, of the 1830s, who worked at the galena lead mines in illinois. these mines were in northwestern illinois close to the borders of wisconsin and iowa. the wisconsin miners lived, not in houses, but in temporary caves cut into the hillsides.