Why did james madison believe that a system of federalism based on voluntary compliance would always fail?

James Madison believed that a system of federalism based on voluntary compliance would always fail because of the following reasons:

-Each state legislature contained "courtiers of popularity" who would actively oppose particular policies;

-Experience proved that states would never uniformly comply with national requests;

-Doubts about each other's commitment to policies would clog the federal system.

d) he bring down boss tweed and tammany hall.

d. it spread christianity. i just took the test and got it right.