I just recently conquered america (Except one city they had hid away I hate that). Now I want to clear the huge gaps in my borders there but I have massive corruption. Whats the best way to clear this out? My empire is pretty big.
It stretches over more than half of my half of the continent (Pangea map small panama type area connectiong 2 halves.) I am also in republic but I can switch to democracy if I need too. Heres a picture of my empire on the map The green dot is my capitol. There is also a save file if you need any additional info Conquests 1.22
Edit: No FP yet I could use some help placing it too.

Edit: No FP yet I could use some help placing it too.