Which group of people are considered "unclean" and are outside the caste system

hey!!!

Dalits aka untouchables

have a wonderful day!!

Explanation:

b). (sounds as the best answer)

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.