message: Canada and other independence civs can spawn if there are no cities in their birth area
diff: @@ -694,7 +694,7 @@ class Birth(object):
  # independence civs require all players controlling cities in their area to be stable or worse
  if self.isIndependence():
  birthCities = plots.birth(self.iCiv).cities()
  - if players.major().where(lambda p: civ(p) != self.iCiv).where(lambda p: birthCities.owner(p).any()).all(lambda p: stability(p) >= iStabilitySolid):
  + if players.major().where(lambda p: civ(p) != self.iCiv).where(lambda p: birthCities.owner(p).any()).all_if_any(lambda p: stability(p) >= iStabilitySolid):
  return False
  return True
  