The radical movement which was destined to break down the power of the landed aristocracy, level the old barriers of exclusiveness, and open the way for government of a more popular character, took the form of Jacksonian Democracy. Its leaders made few contributions to democratic political theory, but they broadened the application of principles already familiar. By expanding the electorate, a revolution was made in the basis of the democracy, and radical changes in the superstructure were equally conspicuous. To the more important features in this movement, attention will now be directed. 1