I think the answer is letterA
Answer:
it means that he didn't depend on others
There are 2 answers that fits the meaning of interest groups. It is letter b and c. Interest groups are also called pressure group. This are group of people or an organization that has the concers and trying to influence public policy in thier favor. They are concerns with various issues or problems that gave them hindrances to win control of the government. They pressure the policy makers by lobbying.
