His domestic reforms, which transformed a backward, almost medieval economy and society, were in fact not only the foundations for his victories in Germany, but also absolutely crucial for the creation and survival of the Swedish Empire.
As súas reformas domésticas, que transformaron unha sociedade e economía atrasada e case medieval, foron de feito non só as bases das súas vitorias en Alemaña, senón tamén absolutamente cruciais para a creación e supervivencia do Imperio Sueco.