Final answer:
The American Medical Association, the Certified Financial Planner Board, and the American Trucking Association are examples of self-regulation, part of economic interest groups that support professional, business, or labor interests through various means including lobbying and political contributions.
Step-by-step explanation:
The American Medical Association, the Certified Financial Planner Board, and the American Trucking Association are examples of C. Self-regulation. These organizations are part of a broader category of economic interest groups which include professional associations, business groups or trade associations, and labor unions. Such groups aim to impact economic and business-related decisions by lawmakers, promoting the interests of their respective industries or professions. For instance, professional associations, like the American Medical Association, represent individuals in professions that require special degrees, focusing on issues relevant to their sector. Trade associations, also known as industry trade groups, like the American Trucking Association, attempt to influence public policy in a direction favorable to their members. They may engage in lobbying or contribute to political campaigns through Political Action Committees (PACs).