Pre-Modern Armies for Worldbuilders, Part I: Why They Fight

This article explores the historical and sociological foundations of pre-modern military systems. It serves as an introductory guide for worldbuilders to understand how civilian societies influence military recruitment, leadership, and tactics.
Why it matters
Provides a framework for understanding the intersection of social structure and military capability, which is useful for both historical analysis and creative worldbuilding.
This week I want to try something a little different. Rather than taking apart a particular fantasy military system, I thought I might try to lay out a more general sense of how military systems tend to map on to societies , both because such general historical frameworks are handy for thinking about the past, but also because they make useful rules of thumb for imagining fantastical societies. So essentially here we are asking: how do societies end up with the sort of armies they have?
The content is an educational, analytical piece focused on historical theory without political or ideological framing.
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