I didn’t mean to offend you and I want you to know that I appreciated that you took the time to not only look up the link but also copy the explanation. Of course I have to object. I think I am in line with the comic when I ask why there is anxiety. The capital letter ‘why’ wouldn’t be funny if ‘trauma creates anxiety’ would be a sufficient answer.
Most countries win a war and lose a war, so experiences can be shared. But among all the countries it could also be possible to pair the winners with the winners and the losers with the losers. But I would expect that it would only be needed to avoid direct conflicting parties.
I am out of my depth to add anything meaningful. I personally believe that the human experience is universal. E. g. soldiers suffer on both sides of all wars. For sure it is more difficult to gain trust and openness if there are cultural differences. But the emotional conflicts that come with war will be the same.
If you look outside the US, you can get housing for a price that leaves enough of the 4000 for other expenses.
The easiest option is to connect some barren land to a city center with public transport in a climate zone that doesn’t need much insulation. But that just as a proof of concept. More clever options can be realized.