Final answer:
To override a presidential veto, 2/3 of the U.S. House and 2/3 of the U.S. Senate must vote to override the veto.
Step-by-step explanation:
The statement that is TRUE about Congress' ability to override a presidential veto is: To override a presidential veto, 2/3 of the U.S. House and 2/3 of the U.S. Senate must vote to override the veto.
The power to override a veto belongs to both chambers of Congress: the House of Representatives and the Senate. Both chambers, with a two-thirds majority vote, can overturn a veto by the President. This ensures a balance of power between the executive and legislative branches of the government. The Senate's power is not exclusively tied to being the "upper chamber."
The other statements mentioned in the question are incorrect.
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