The first one... the ending to a sonata form in some pieces.
convenience is your answer, quick service is when you get your food fast so if you think about it the food will not always look good,have everything, and be completely safe because it was made fast.
Social protest is anything that displays disagreement of a cultural practice, norm, or circumstance.
Political motive is what drives politicians and leaders to instill changes or take positions on subjects in order to further their power.
Social protest is intended to create awareness of an issues or several issues in order to increase support and further change. Political motive is to increase political power, and any other resulting accomplishments are considered a bonus.