(q002) 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.

Pluralism, is the right answer.

Explanation:

Classic pluralism observes that the decision-making and political affairs are located principally in the structure of government, but that several non-governmental associations use their resources to exercise power. The distribution of power and influence is the main problem of classical pluralism. The institutions of individuals make efforts to maximize their interests. Courses of conflict are many and moving as power is a constant bargaining method between contending groups.

answer; u.s senate;