[quote=Rhymer]It looks like the three countries are in a state of political tension-maybe something caused the region to destabilize. All 3 countries are primarily human, which is another reason they could share a similar history.
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Depending on which nation experienced revolution first, it might've set off a chain reaction of political and ideological movements. 
Karanova's nationalist fighters are going to be supported by Antovia, as it's sympathetic to their cause and it sure doesn't want a communist neighbor.