hidden nationality

hello, are there mods which can do some of this 3 things? Hide nations? If you load a game, you see the enemy nations on the loading screen, even if you don´t discovered them ingame. Can you hide this information? Hidden Infos? Ingame, you can see a lot of info about the other nations, only by...

Since Gathering Storm released, I've been thinking of ways that the new grievances and diplomatic favor system could be expanded to improve other areas of the game that were not touched by GS. Personally, I'd like to see joint wars and joining ongoing wars require favor, and for promises to be...