Total War: New World: Positive Imperium effects Submod
Simply changes the hefty Imperium penalties in New World to modest bonuses instead. I forget the exact details, but it should work fine.
Load it before the main New World mod.
Download
Total War: NEW WORLD - Alternate History Overhaul — Steam Workshop
Required items:
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Total War: NEW WORLD - Alternate History Overhaul — Steam Workshop