From what I remember the mid-early soacecstage should be paradox style grandstrategies and such. Even though I’m not sure so if @hhyyrylainen can confirm that would be nice.
I would like to be simmilar to how vic2 does great wars , without the whole great wars needed to be reasearched part.
Bassically if enough major powers are at war with high enough technology. To become a major powers you must get high enough stats. (I’ll rather keep wjat stats vague)