What political similarities are there among the nations of Britain, Australia, and New Zealand?

They all have a prime minister run their country. None of these countries have a president. There are different reasons that the countries did this. New Zealand was trying to avoid having a dictator like Germany had. Britain originally had this system and originated the English politics. Australia and New Zealand are both part of the British Commonwealth.

There all correct when humanity revitos lifes own lies it's disgusting