For a broad range of voter preference classes, two-party systems are an expected result of majority voting. It's the best way to get the issues you care most ab

For a broad range of voter preference classes, two-party systems are an expected result of majority voting. It's the best way to get the issues you care most about handled while hopefully not inflicting too much harm in all the other less important points that also get brought in. To fix that you need to change people's relative preferences or adopt an alternative voting scheme.