Only as a large power block can it influence Climate change, be a global force for peace, establish an alternative global currency to the dollar etc etc.

There is so little understanding that forcing differing nation states together under one unaccountable government and removing their sovereignty to achieve this, has never worked, will never work and has always lead to resentment, war or some other disasterous end.

There is so little understanding that the US Constitution brought together people who were in the main of the same english background who were already living in like minded states, brought together by the common threat and war with a Monarch in a distant land.