All of the following are examples of economic interest groups EXCEPT:
A groups concerned with civil liberties, such as the National Rifle Association
В. labor unions, such as United Auto Workers
C. professional and trade associations, such as the American Bar Association
individual corporate PACs, such as AT&T's PAC

A. groups concerned with civil liberties, such as the National Rifle Association

Explanation:

i believe it d) heterogeneous

states

explanation:

as the old saying goes, all politics are local. state and federal governments affect our daily lives in numerous ways. yet, in our federal system, there is supposed to be a balance between federal and state power. as james madison envisioned it in federalist no. 51, “the power surrendered by the people” would be “divided between two distinct governments,” creating a balance of power that would enable the “different governments [to] control each other.”