Mothers against Drunk Driving, Associated Builders and Contractors, the Club for Growth, the Sierra Club, and the League of Women Voters-these are just a few of the countless interest groups in the United States that seek to influence public policy. An interest group is a group of people who share common goals and organize to influence government. Why do people join interest groups? Often they do so to increase their political efficacy; by joining with other like-minded individuals, they believe they can have a greater impact on government policy. Interest groups allow Americans to be represented according to their economic, social, or occupational interests.
Using this passage answer : How do interest groups give citizens a greater voice in of people government decision-making