Most interest groups are formed because members want

Most interest groups are formed because members want the government to pay attention to a concern that they share.

An interest group also refered to as pressure group is understood as an association of individuals who have a common interest and work together in order to protect and promote that interest by influencing the government. Interest groups are of different size, and have diverse aims, and tactics. Political scientists usually divide interest groups into two categories: economic and noneconomic

lewis and clark (i think)

b. andrew