Important entities in American politics, interest groups are collectivities of individuals who mobilize around an organized issue or cause that is of great concern to that group in order to influence public policy. These individuals practice what is known as contentious politics,
Practice and profession of influencing governmental decisions, carried out by agents who present the concerns of special interests to legislators and administrators. The term originated in the United States of the 1830s, when representatives of interest groups tended to congregate in the lobbies of Congress and state legislatures. It is now used in a broader sense to include attempts to influence any governmental actions.
(PAC), U.S. organization formed by a corporation, labor union, or association to raise money for political activity. Funds can be gathered by voluntary contributions from members, employees, or shareholders. Political action committees were first organized in the 1940s.
AARP is a nonprofit, nonpartisan organization with a membership that helps people age 50 and over have independence, choice and control in ways that are beneficial and affordable to them and society as a whole,
From the beginning, the League has been an activist, grassroots organization whose leaders believed that citizens should play a critical role in advocacy. It was then, and is now, a nonpartisan organization.
Since 1892, the Sierra Club has been working to protect communities, wild places, and the planet itself. We are the largest and most influential grassroots environmental organization in the United States.