Therefore, the interest groups involved in the legislative process helps to expand the scope of the legislative content balanced interests, and promoting scientific and democratic decision-making of the government.
Second, the interest groups in the United States influence the political process, contributes to communication and expression of political interests. Individuals and interest groups as the connection between the government's basic, playing irreplaceable role in American politics. Aspirations and interests and demands of ordinary citizens is important information for government decision-making needed basis. A public policy that only fully reflects the interests of all requirements in order to obtain wide support and recognition in order to effectively regulate