One can deduce quite a bit about Afghanistan by comparing their will to keep control of their country vs the resistance Ukraine is currently putting up against a better equipped opponent.
link to the full pdf,
<a href="https://files.stlouisfed.org/files/htdocs/publications/review/2022/03/14/failing-to-provide-public-goods-why-the-afghan-army-did-not-fight.pdf" rel="nofollow">https://files.stlouisfed.org/files/htdocs/publications/revie...</a>