Here are the answers to your questions:
Question 1: Who was the first Vice President to become President because of death?
- Answer: A. Tyler (John Tyler became President after the death of William Henry Harrison).
Question 2: Section 3 may be invoked if the President is __________.
- Answer: D. temporarily unable to serve (Section 3 of the 25th Amendment allows the President to voluntarily transfer power to the Vice President when they are unable to perform their duties).
Question 3: Which Section of the 25th Amendment has not been invoked?
- Answer: D. Section 4 (While Section 1, 2, and 3 have been invoked, Section 4, which deals with the inability of the President to discharge the powers and duties of the office, has never been officially invoked).
Let me know if you need any more assistance!