That was within the country though, right? Not between countries? And this article [1] says enforcement of serfdom was localized and costly and there was de fac

That was within the country though, right? Not between countries? And this article [1] says enforcement of serfdom was localized and costly and there was de facto serf mobility. [1] https://broadstreet.blog/2021/05/07/serfdom-the-state-and-the-problem-of-enforcement/ https://broadstreet.blog/2021/05/07/serfdom-the-state-and-th...