You have to select Earl Page and then that fires off another election event that allows you to vote in a more moderate national party, keep Earl Page (though this results in a lot of isolation...
) or labour with Jack Lang.
I'm presuming English is your first language but when something is "broken" than it means its incorrect. Either Australia is broken or Canada is overpowered because those two nations, in many respects, had a similar shipyard industry being that they were reliant on Great Britain for military vessels and therefore both countries should have equal naval technologies.
Its a common problem in the Entente countries to be missing technologies. France for instance has a missing tank technology between light and advanced...