What is required to override a presidential veto?

To override a presidential veto, a two-thirds majority in both houses of Congress is required. This high threshold reflects the significant power of the presidency and serves as a check on Congress's ability to enact legislation without the president's approval. Achieving a two-thirds majority ensures that overriding a veto requires broad bipartisan support, indicating that the legislature is collectively in agreement against the president's decision.

This process reinforces the system of checks and balances established by the Constitution, ensuring that no single branch of government has unchecked authority. It underscores the importance of compromise and cooperation among legislators to achieve such a substantial consensus. Other options do not meet the constitutional requirement; a simple majority, unanimous vote, or three-quarters majority are not applicable for the veto override process.