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Answer:
A. They attempt to influence policy makers and the public to support
policies that benefit a particular industry or group
Explanation:
Interest groups are defined as an association of individuals, group of people, or organization with the primary aim of influencing the policies of the government in their favor.
They can achieve this by educating the public about different policies and how it would affect them and most times they find ways to sponsor their cause.
The statement that best summarizes the role of interest groups in the United States political process is They attempt to influence policymakers and the public to support policies that benefit a particular industry or group