Answer:
I think it should be called Race to the Cure or The Disease or something like that. Sounds like a great book hope you find a good title for it!!
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.
I would lean towards d, because a lot of the viking age art was made in tribute towards viking warriors, and viking warrior ships, etc..