The correct answer is D.) Court clerks refusing to issue marriage licenses to same-sex couples.
The definition of grassroots activism is a movement that is born out of the personal convictions of an individual or a group of individuals about a particular issue and that is not originated in the will of an established political movement or leader (s). It is considered that a grassroots movement is spontaneously created by the will of ordinary citizens who want to make their voices hear about a particular issue and although its later stages may involve participation of political groups or leaders, the initiative for its inception was the concerns of ordinary citizens. This answer is a direct reference to the case of Sandra Davis, a Kentucky country Clerk that refused to issue same-sex marriage licenses due to her own personal convictions and in the name of "religious liberty". Her initiative was purely personal and was not the result of organized political efforts.
Individual Rights. Madison was a staunch supporter of the Constitution, as can be seen in the Federalist Papers he wrote with John Jay and Alexander Hamilton. Madison would, however, "switch sides" and join the Anti-Federalists in calling for a Bill of Rights. He wanted something to be there to protect the people not in power from those that had the power.