 As with salmon, many of these foods were preserved by way of drying and smoking.The earliest contact Yuułuʔiłʔatḥ had with Europeans was in the 1770s, as fur traders entered the region.The changing political and economic dynamics in the region dramatically shifted the composition of Yuułuʔiłʔatḥ, with the nation becoming more consolidated through the amalgamation of the various independent villages that comprised the nation.