Stephen Harding wrote:

Well the US and Europe are going their separate ways. I'm hoping
the divorce is a rapid one personally, and certainly better for
both I've come to believe.

There is an old saying that people who fail to learn from history are
destined to repeat it.

In the case of isolationism, the US has tried that numerous times
before, and has thoroughly regretted it each time. You had better
rethink you position.