The united states was drawn into world war one because of unrestricted warfare.
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.
The answer is C; John Wycliffe