I think, even though the ideas aren't "perfect"/"complete", Nietzche's "Will to Power" does a pretty good job of explaining "why" animals/ideologies/organizations/systems "unfold" the way they do. Everything (mostly) tries to protect/strengthen/replicate itself.(viruses being the most obvious example) https://www.gutenberg.org/files/52915/52915-h/52915-h.htm