TOPIC 5. 7 Groups Influencing Policy Outcome Political parties, Interest groups, and social movements provide opportunities for participation and influence how people relate to government and policymakers. PMI- Define a "single-issue group" in the context of impacting social change, use current 5.6. examples to illustrate how such actions as protest movements form with a singular 1 goal of impacting society and policy making. Single-issue groups form with the goal of impacting society and policy making, as well as protest movements and ideological or social movements