They could have no military and just rely on the remainder of the UK and the US to protect them. That's pretty much what the rest of Europe does.
They currently have a higher GDP per capita than France so it seems they could be OK on their own.
“They could have no military and just rely on the remainder of the UK and the US to protect them. That’s pretty much what the rest of Europe does.”
Can’t say I would sleep well at night if those were my choices.
GDP includes spending by welfare recipients and a lot of that money comes from the English. I'd suspect actual production figures wouldn't compare well.