Different ethnographers advocated different approaches: Karskii wanted to focus on native language, whereas Rudenko favoured more physical anthropology – particularly to assess the suitability of local people for integration into the war effort. Following the example of the map commission of the Russian Geographical Society, they adopted a different process in Europe and Asia.
Various ethnographers had different strategies: Karskii emphasized studying native languages, whereas Rudenko focused on physical anthropology, particularly to gauge the suitability of local people for war purposes. Like the Russian Geographical Society’s map committee, they used a unique method in both European and Asian regions.