Answer: A dependence on the people.
Madison stated that: "a dependence on the people is, no doubt, the primary control on government." This dependence on the people is enforced through the accountability that a representative democracy demands. However, he was aware that the people cannot always be trusted to make good decisions. Therefore, "auxiliary methods" needed to be introduced in order to control the government. These methods are now called "checks and balances," and includes the processes that ensure that power is not abused by one branch of government.