Russia Ukraine war, page-27036

I think of it in a more nuanced way.

Sovereign nations do what they want but there might be some foreseeable consequences if they make certain decisions.

Maybe the neighbour will think perhaps you don't like them and are hostile towards them when you invite new friends over with the biggest and most well equipped army in the region to setup a base on the fence looking at you and telling everyone you are evil and training you to fight the neighbour and giving you weapons. Who could have predicted this?