While there are a few minor examples of Plurality Voting countries escaping duoploy, they are by far the exception. America's duopoly seems clearly a result of

While there are a few minor examples of Plurality Voting countries escaping duoploy, they are by far the exception. America's duopoly seems clearly a result of using it. I wrote something about this. https://asitoughttobe.com/2010/07/18/score-voting/ https://asitoughttobe.com/2010/07/18/score-voting/