When war broke out, Franz Joseph kept the principality out of the war and relied upon its close ties to Switzerland for its protection. The neutrality of the country itself was never violated, but the House of Liechtenstein never recovered its landholdings outside the principality, including its former seat in Lednice–Valtice. The country took in some 400 Jewish refugees from occupied Europe and granted citizenship to some others, mostly people of means who were able to pay. Jewish laborers at a concentration camp in Strasshof were hired out to work on estates belonging to the princely family. In 1945 Liechtenstein gave asylum to nearly 500 Russians of the pro-Axis First Russian National Army. It refused Soviet demands to repatriate them, and most eventually resettled in Argentina.