The article aims to discuss the history of the Grand Duchy of Lithuania (GDL) in XIV-XVI cc. in the light of the spreading of late medieval civilization. The first part presents methodological assumptions of such an approach. https://www.bekindtopets.com/super-pick-Rx-Quadruple-Topical-Ointment-Quadritrop-for-Dogs-Cats-30-mL-super-grab/