The existence of interest groups the existence of interest groups select conclusively demonstrate the validity of the majoritarian model of our representative democracy as your answer conclusively demonstrate the validity of the majoritarian model of our representative democracy select conclusively demonstrates the validity of the pluralist model of our representative democracy as your answer conclusively demonstrates the validity of the pluralist model of our representative democracy select guarantees that the interests of powerful lobbies have no particular advantage in our representative democracy as your answer guarantees that the interests of powerful lobbies have no particular advantage in our representative democracy select poses problems for our representative democracy because the upper classes often dominate interest groups as your answer poses problems for our representative democracy because the upper classes often