[TheAsprngHacker]

The two-party system is not a consequence of the lack of access to money. It is a consequence of the first-past-the-post system, which will always trend towards two parties (as a matter of game theory). See https://en.wikipedia.org/wiki/Duverger%27s_law.

The problem of primaries selecting for extremists could be partially alleviated with ranked-choice voting, so an extreme candidate with a significant minority of supporters can't win against a divided field of moderates. This is how Trump won the 2016 Republican nomination and how Sanders almost won the 2020 Democratic nomination before the establishment candidates dropped out and endorsed Biden. Or, we could try open primaries so independents can give input on the desired candidate.

[Someone]

India has first past the post. Over 25 different parties got a seat in 2019 (https://en.wikipedia.org/wiki/2019_Indian_general_election)

I think having political alliances (https://en.m.wikipedia.org/wiki/Political_alliance) helps in that.

Now, whether that’s a good idea is debatable. https://web.archive.org/web/20081220163843/http://www.econom...:

“Of the 522 members of India’s current parliament, 120 are facing criminal charges; around 40 of these are accused of serious crimes, including murder and rape. Most Indian politicians are presumed to be corrupt, which is less surprising. In India’s poor and fractious society patronage politics is inevitable“