Yes. The territorial conflicts here traces back till the XIX century, and they`re pretty catalyzed with military governments with lot`s of ammo.

And we certainly weren`t on the attacking side.
Are you rewriting history there .
Chile attacked , Chile declared war ...over tax on bird excrement .
Peru honoured its treaty with Bolivia , though it did try negotiation instead , and Argentina wasn't even involved .

Now could you explain this little gem .

The Coup was legitimate (In my concept).
........
I agree, it wasn`t ousted by any legal means.
?????????????
It seems like you have a rather strange concept there .