How does the UK manage to have an (albeit shitty) multiparty system with first past the post voting when the US has never been able to break out of the two party system?

Question

How does the UK manage to have an (albeit shitty) multiparty system with first past the post voting when the US has never been able to break out of the two party system?

In: Other

Answer 1

UK is a parliamentary system, USA is a Presidential system. That affects the game since in a parliamentary system, reducing someone’s majority can lead to a weaker PM and force a coalition. You can’t weaken the President this way with executive orders