Interest groups aim to help shape public policy, also known as government policy
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<em>Interest groups will use a variety of means in their efforts to shape public policy. They use publicity (advertising, mass mailings, etc), litigation in the courts, protests to raise awareness regarding issues, campaign contributions and endorsements of their preferred candidates, lobbying in Washington to influence elected officials, etc.</em>
If you are stopped by a police officer for driving without having all passengers under the age of 18 properly restraint, you can receive a citation and receive ticket on your driving record