Which is NOT a factor that reinforces America's two-party system?

Question

1.)Broad ideological consensus limits the appeal of radical parties. 2.)The winner-take-all system makes it harder for third parties to gain popularity.
3.)The two-party system was preferred by the Founding Fathers.
4.)Single-member districts

I don't have an answer.

Answer 1

Please answer someone

Answer 2

What evidence have you seen that the founding fathers preferred a two-party system?