are there any mods like this?

the main problems i have with the late game are 1. agressive expansion it goes up so easily late game 2. war score even if u win a war u can only take like a few provinces since the development is so high 3. castles when higher level castles come from techs it takes soo long to siege them down even if you have some buffs are there any mods i can get that help with this