Not just the modern world. Any connected civilization which needs to contend with factions, differing interests, foes, allies, and "intersectionality". If you

Not just the modern world. Any connected civilization which needs to contend with factions, differing interests, foes, allies, and "intersectionality". If you lived in an isolated island a half dozen centuries ago or more, then it would be simpler till a voyager tribe, society or civilization landed.