U.S. v. Nixon upheld the principle of separation of powers and rule of law by stating that the power of the President is limited. This case emphasized that even the President is subject to the Constitution and the laws of the country. It highlighted that no one, not even the President, is above the law.
The decision in this case specifically addressed the issue of executive privilege, asserting that the President does not have an absolute privilege to withhold information. The Supreme Court ruled that in certain circumstances, such as a criminal investigation, the President must comply with the legal process and provide the required information.
By limiting the power of the President and affirming the rule of law, the U.S. v. Nixon case reinforced the idea that the government operates within a system of checks and balances. It underscored the importance of accountability and transparency in upholding the democratic principles of the United States.