The march across the Belts, including the resulting Roskilde Treaty, has long been viewed as a success story in the history of Sweden and an admirable achievement, since Charles X Gustav and the Swedish army carried out the campaign with relatively few losses. During the age of romantic nationalism in the 19th century and the beginning of the 20th century, Charles X Gustav was highlighted as the king who gave Sweden its current and "natural" borders. The campaign has triggered a prolonged discussion among historians, partly over the issue of whether Charles X Gustav's war policy was to the benefit or detriment of Sweden as a whole, and partly over Erik Dahlbergh's role in the decision-making process regarding the Swedish army's march across the ice. The decision itself, however, has rarely been discussed or questioned, despite its crucial importance for the future of both the Swedish empire and its army.