Final answer:
The United States v. Nixon case confirmed the limits of executive privilege and required President Nixon to release the incriminating Watergate tapes, ultimately leading to his resignation.
Step-by-step explanation:
Significance of the United States v. Nixon case:
The case was significant because it confirmed that the principle of 'executive privilege' had limits and that the president was not above the law. The Supreme Court ruled that President Nixon must hand over the audio tapes that were evidence in the Watergate scandal.
Consequences for President Nixon:
As a result of the case, President Nixon was forced to release the audio tapes, which incriminated him in the Watergate scandal. Facing impeachment, Nixon chose to resign from the presidency in August 1974. This made him the first U.S. president to resign from office.
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