Final answer:
Citizen involvement can make a difference in policy development through voting, campaigning, expressing opinions to elected officials, and joining interest groups or organized group activities.
Step-by-step explanation:
Citizen involvement can make a difference in policy development in several ways. Firstly, citizens can participate in the political process by voting, campaigning, and contributing to campaigns. By doing so, they can elect officials who align with their values and policy preferences. Secondly, citizens can engage in demonstrations, rallies, and writing to elected officials to express their opinions and concerns, influencing policy decisions. Lastly, citizens can join interest groups or participate in organized group activities to increase their power and influence over government actions.