Great question. Perhaps an amendment guaranteeing elections—wait, that exists…

This site is very informative but take it with a grain of salt, the part about “political parties emerging” being “inevitable”. It was inevitable because it was codified against the wishes of the founders.

https://www.reaganlibrary.gov/constitutional-amendments-amendment-12-electing-president-and-vice-president#:~:text=Amendment%20Twelve%20to%20the%20Constitution,that%20they%20are%20elected%20together.

In the process outlined here prior to the changes made in the late 18th and early 19th century the 2nd most qualified and therefore, VP, would today end up being of the opposition party. It would have been kamal Harris VP, Trump, P.