Final answer:
The Twenty-fifth Amendment was necessary to establish procedures for presidential succession and disability.
Step-by-step explanation:
The Twenty-fifth Amendment was necessary to clarify the procedures for presidential succession and disability. It was ratified in 1967 after the assassination of President John F. Kennedy and the resulting confusion about the line of succession. The amendment provides guidelines for filling a vacancy in the vice presidency and establishes a process for temporarily transferring presidential powers when the president is unable to fulfill their duties.
Learn more about Twenty-fifth Amendment, presidential succession, disability