2) These groups serve to try and convince members
of Congress to support policies favored by their
respective groups. They represent various
business organizations, labor unions, doctors,
lawyers, minority groups, environmental
organizations, etc.

Lobbyists of interest groups try to convince members of Congress to support policies favored by the groups they represent,

Explanation:

An action of influencing the policies, decisions of officials, legislators and members of regulatory agencies is known as lobbying.

Lobbyists are people who are involved in influencing legislation, government decisions, action, regulation and policies for particular group or individual who hire them. Lobby can be done as small part of the normal job. So many individuals and non-profit organizations show interest in lobbying.

Special interest people seek the support of the lobbyist. Lobbyist represents lawyers, business organizations, minority groups or various organizations.

hey i did something like that before, what is the quesiton?

the answer i chose to believe is 'harmony'