Building a cavalryman vs. building a charioteer

[whswhs]

Originally Posted by johndallman

A point to consider: every people that had chariot archers abandoned them in favour of cavalry once they had access to horses that were large and strong enough. The reasons for that are likely to be complicated, but they probably didn't include cavalrymen needing a lot more training than charioteers.

Two horse, one chariot, one driver, one archer, one bow vs. two horses, two riders, two bows seem to provide at least a significant part of the explanation.