Only if you want infinite lives.
Nineteen thousand. But it's close enough.
Also, Great Kingdom. I am almost very near such a goal. We can be Great Kingdom friends!
That said, if we do help out the GC, it would probably be best not to attack from that direction. It is better that the Salterri not have any reason to attack us from that angle. Let them think that we are all "to the North" and not "conveniently accessible by sailing West".
Our population increases when our benevolent mod Morph Bark, may his glory never diminish, wishes it to.