>>11323128 cont.
Each stage would obviously need to be flushed out a bit with the time period.
How society changes and the social order evolves would let stories be set at a different point within the evolution of the world with some consistency.

I think there should be some sort of consideration on different nations and conflicts they have
>Are there still wars if it's overall feminine?
>How do the gender roles and cultures of each nation affect the newly formed giantess cultures?
>What of the class structures and tribalism?