In this US, you would rarely need to do any additional research.
There are almost always only 2 choices - the Democratic candidate and the Republican candidate.
Anyone voting for another candidate is simply saying that's who they /REALLY/ wish would win, but most people aren't willing to throw their vote in the garbage to virtue signal. That 3rd party candidate almost never has a chance at winning. Neither does the alternative from your own party.
Stacked ranking simply allows you to say "I hate both candidates from the major parties, and I'd rather have this other person in office, but since I have to pick one of the two of them, I guess I'll pick X."
There are almost always only 2 choices - the Democratic candidate and the Republican candidate.
Anyone voting for another candidate is simply saying that's who they /REALLY/ wish would win, but most people aren't willing to throw their vote in the garbage to virtue signal. That 3rd party candidate almost never has a chance at winning. Neither does the alternative from your own party.
Stacked ranking simply allows you to say "I hate both candidates from the major parties, and I'd rather have this other person in office, but since I have to pick one of the two of them, I guess I'll pick X."