One of the hallmarks of american democracy is based on the madisonian theory that good government encourages multitudes of interest, known as all interests are free to compete for political influence.

Federal republic

Explanation:

The Madisonian model or theory was made by James Madison who made governmental schemes with three power branches and those were judicial, executive and legislative.

He agreed that balance is an important thing when it comes to the power of government. Madison illustrated and published his beliefs in the Federalist Paper.

answer; /// all of the above;

answer; human capital;