I know of two simple ways to vote: Preferential voting. If your sincere choice (ie Greens) didn't win, your vote goes toward the second choice until a candidat

I know of two simple ways to vote: Preferential voting. If your sincere choice (ie Greens) didn't win, your vote goes toward the second choice until a candidate gets clear majority. Proportional voting, people can vote for their sincere choice and there's a pool of 10 representatives. That means each candidate needs at least 10% of vote. If over 10% people in the state for Greens but rest vote for Democrats/Republicans. Thats 1 Greens and 9 Democrats/Republicans. In USA, it is not possible to have a sincere choice. Also known as the illusion of choice.