> artisans in [what is today?] HungaryIt must be the whole Kingdom of Hungary.
> [the territory of modern-day?] Hungary was also dependentDitto.
> on Slovakia's more-than-150-year-old neighbor
> More-stable relations [between whom?]Pomery = situation, conditions.
> [producers of smoked-meats?] produced many regionalCertainly, note that that's exactly what they're talking about. The word was _u'dena'r_, there were no pork specialists -- why would there have been -- a butcher handled all meat; it was the type of products and the process of smoking that needed special skills and different kind of premises than a butcher had.
> specialties (i.e. Kos~ice ham, Spis~ sausages
> numerous mainly in the mining towns of central Slovakia [why?]They were the richest, among the largest, and self-governing towns were simply concentrated there. Banska Stiavnica, for instance, was the 3rd largest town in the Kingdom for a time. They should have mentioned Spis too, but they may have thought its eastern, main urbanized part "kind of" fitted under Central SK.