Question

The position which is considered a sort of back-up role to the president is also the head of state

Answer 1

The Vice President can be seen as a "back up" role to the president that also functions as Head of State (President of the Senate, presides over joint Congress sessions). The Vice President is second in Presidential line of succession. Hope this helped!

Answer 2

The Vice President can be seen as a "back up" role to the president that also functions as Head of State (President of the Senate, presides over joint Congress sessions).

The Vice President is second in Presidential line of succession.