We would need election/ballot reform to make that happen. A 2 party system is the expected outcome with FPTP/simple plurality voting. Proportional elections o

We would need election/ballot reform to make that happen. A 2 party system is the expected outcome with FPTP/simple plurality voting. Proportional elections or some flavor of preference voting would allow a 3rd party. In the US, this has led to a literal 2-party system. In the UK and Canada, only the 2 largest/most popular parties of a given time period are typically able to form governments.