Unlike some euros no americans are coming back and being sent to jail or even having security stops and concerns, i have heard.
I think the americans simply do not care.
What if you join a Russian separatist militia?
You're good just don't get yourself caught with the PKK which is how at least one YPG guy has been sent to prison>>2268
Straight to jail
>>2269>Straight to jail
What law does it break?
The Donbass militias are recognized as terrorist organizations in most of NATO iirc