> I'm just genuinely curious how international relations work in a case like this where one guys just invades other countries. The lawyers answer is relevant

> I'm just genuinely curious how international relations work in a case like this where one guys just invades other countries. The lawyers answer is relevant here: It depends. Is the illegal attacker the US or a major NATO partner? Nothing much happens. Is it an attack between third-world-countries? Noone really cares. Is the attacker a major opponent of "the West"? Well, we're seeing this play out right now.