Short term that is the biggest issue that I fear.

I am in Australia and I have said it for many years, if it goes badly, we will welcome refugees with open arms. Those arms being machine guns and explosives.

That we will move into the realm of Lifeboat ethics.

https://en.wikipedia.org/wiki/Lifeboat_ethics

I do hope that do not take this path as it would become the greatest moment of shame for our whole species.