Using the court system is the direct strategy commonly used by interest groups which involves lawsuits, legal fees, and amicus curiae briefs. Option C is correct.
An amicus curiae brief is a written submission to a court in which an amicus curiae (literally a "friend of the court": a person or organization who/which is not party to the proceedings) can set out legal arguments and recommendations in a case.
Is this to help people feel better and be happy?
The government influence the economy by producing goods and services.
