Gallic Wars, or the Israelites under Babylonian captivity). However, there was a major difference between captive and subject populations in contrast to those living outside the boundaries of cohesive states – while both could be considered stateless, the latter typically only needed to adhere to local tribal customs whereas the former were not only expected to obey the laws of the state they were living in, but were often subjected to laws not imposed on and punishments not inflicted on full citizens. Among the more widely-known examples of this was the Romans' frequent use of crucifixion to punish Roman subjects, considered to be a highly degrading form of capital punishment that could not legally be inflicted on Roman citizens. Before World War II Some characteristics of statelessness could be observed among apostates and slaves in Islamic society (the former shunned for rejecting their religious birth identity, the latter having been separated from that identity and subsumed into an underclass). Statelessness also used to characterize the Romani people, whose traditional nomadic lifestyles meant that they traveled across lands claimed by others. The Nansen International Office for Refugees was an international organization of the League of Nations in charge of refugees from 1930 to 1939. It received the Nobel Peace Prize in 1938. Nansen passports, designed in 1922 by founder Fridtjof Nansen, were internationally recognized identity cards issued to stateless refugees. In 1942, they were honored by governments in 52 countries. Many Jews became stateless before and during the Holocaust, because the Nuremberg laws of 1935 stripped them of their German citizenship. After World War II The United Nations (UN) was set up in 1945, immediately after the end of World War II. From its inception, the UN had to deal with the mass atrocities of the war, including the huge refugee populations across Europe. To address the nationality and legal status of these refugees, the United Nations Economic and Social Council (ECOSOC) requested that the UN Secretary-General carry out a study of statelessness in 1948. In 1948, the Universal Declaration on Human Rights (UDHR) was adopted. It provided both a right to asylum (Article 14) and a right to nationality (Article 15). The declaration also expressly prohibited arbitrary deprivation of nationality, which had affected many of the wartime refugees. In 1949, the International Law Commission put "Nationality, including statelessness", on its list of topics of international law provisionally selected for codification.