Answer:
It might be possible because of Covd-19. Places like restaurants and clothing business which is not really an existential need because there are super markets, might close down and people might loose money and revenue because of that. And a lot of peoples loved ones are passng away as well, which would make it harder.
Hopes this helps!!
From my point of view it is not so effective since it is like living in a neighborhood and not talking to the neighbors. You can live like that but it would be hard. Countries need other countries in today's interconnected world. In the past it proved to be a bad approach. For example, Roosvelt refused to declare war against Germany and was obliged to declare war to Japan after the susprise attack to Pearl Harbor in 1941.
They wanted to lower taxation.
The US always gets full control over everyone and everything, that's why.
