Just wondering: Polaris is still allied to Avalanche, right? You didn't cancel on them too? Their leader may be confused on the brand messaging you're going for.
I'll let you in on a secret. We want you to join the NPO. Yes, you. The one reading this. Not the other randos, I'm talking to you specifically. Follow the link, apply to join, be part of Pacifica.
Try again. SPATR has been approached multiple times with offers to end the war. No reps, no admission of defeat, just "Ok, we go our own ways". They've declined. It's not us keeping that fight going.
For them to bite, it would mean someone would have to actually care what you say anymore. Right now, it's a side show at best.
The smaller nations will get some practice with the war system, and a round of aid will cover whatever damage you manage to do.
Applying on the forums to the New Pacific Order and getting into the trade ring is your best option. We have many resources to help the membership with their nation. If you run into any problems be sure to ask, we're more than happy to help.