The value in American identity that is most fundamental to the U.S. political system is 1. individual rights.
The U.S. political system is deeply rooted in the protection and promotion of individual rights, as enshrined in the Constitution and the Bill of Rights. These documents emphasize freedoms such as speech, religion, and the right to due process, highlighting the importance of personal liberties in American democracy. Individual rights are seen as essential to the functioning of the political system and the overall identity of the nation.