Answer:
D. Promote the interest of consumers
Explanation:
Consumer advocate groups have the objective to protect the interests of the buying public. If a business is doing an unfair practice or selling unsafe products, these groups expose it with different types of strategies. Some of these strategies are: publicity, boycotts, letter-writing campaings, and lawsuits. In the U.S the Consumer Federation of America is the largest consumer advocacy group, it is formed by 220 member organizations.
