Q: In the majoritarian system delivered by the authors of The Federalist, what is the power that can (contrary to what previous political theory thought feasible) check the "factional" legislative majority -- the majority bent on ruin and injustice?
a. A minority outside the democratic system.
b. A reformation of morals in the majority itself, so that it will all on its own abandon its factional purpose
c. A coalition of other factional majorities, together composing a supermajority committed to a negative on whatever policy is being proposed.