Quote Originally Posted by Gelatinous Cube View Post
Is there ever any practical reason to go max CA? I like to think each of the crown authority options has a purpose, but it seems like you never really want to higher than "High" unless you want to convert a unified HRE into EU4.
Depends on the nation. With ERE or a muslim faction there's basically no reason to go above Medium CA. With free duke level revocations ERE can be held together even by an inbred underage dwarf. With a catholic faction higher levels of CA make a lot more sense.