In the pre-modern era it was much more diverse than it is now and much more tied to culture everybody's military is pre-homogenized these days. The iranian military and the us military today have a lot more in common than they have in terms of cultural differences. Every time there's a war something's changing sometimes if it's a big war entire military revolutions take place right you even have an acronym for that a military a revolution military affairs rma. There are regional similarities in styles um racist some people like that will sometimes over the eras make this into a racial question but race has nothing to do with it it has to do with you know your culture where you develop how