The correct answer is B) influencing public opinion and forming political action committees.
The other options of the question were A) filling lawsuits and recalling lawmakers. C) proposing new laws and helping elected officials work together more effectively. D) hiring judges and lobbying officials.
The two common strategies that interest groups use to shape public policy are influencing public opinion and forming political action committees.
Interest groups in US politics are the kind of groups that are formed to promote and defend their own interests or agendas. That is why they permanently lobbying Congressmen in order to influence them to pass legislation that serves their interests. These groups such as the National Organization for Women, AFL-CIO, the American Medical Association, or the American Chamber of Commerce, try to influence public opinion and forming political action committees.