The realization of the American democratic politics—— an incisive analysis on the two-party politics

American politic system is composed of the two parties' politics. It affects and dominates the revolving of American political life. One would not have a thorough knowledge of other political problems that America's political system involves without knowing its political parties. The paper has a general evaluation and reveals its essence through the two party's history, characteristics and their functions as well from the relationship between American two party's politics and the realization of political system.