Which civic action demonstrate the most fundamental responsibility of citizens in a democracy? a- volunteering at acommunity food bank b- signing s petition on a collage campus c registrating with the selective service d - voting in a presidential election

D: voting in a Presidential election.

Registering with the selective service is an obligation, and while volunteering at a community food bank and being involved in issues on college campus is great, voting in a presidential election is a responsibility of citizens in a democracy, as by participating in a democracy you strengthen it. Democracies are systems of governments where the officials are elected by the people.

Hoped he would accept their demands and end the violence

Very useful. it is to learn because history repeats itself so learning about it those mistakes not happen again.