This paper presents a first result of ongoing research on the movement of conservatism in America. It may be necessary to conceptualize the hybrid between conservatism and liberalism in America in some crucial aspects of the development of American political spectrum post World War II until The Revolt: A New American Tea Party. In fact, those political philosophies with the same destination are like two sides of coin which is difficult to be separated. Changes and values such as politics, economics, social, and culture are highly dominant in shaping the type of political spectrum in America. These changes are dynamic, inconsistent, or even ideologically blurry . One of dominant factors in this change is the conservative group at a certain time is more liberal than liberal group itself or vice versa. Marxian theory and Darwinian theory are relevant to analyze the conservatism movement in America where is very familiar with capitalism and liberal democracy. By identifying the roots of American conservatism and the American presidents’ policies, the movement of American conservatism can be spotted clearly in line with the changing of era.