His efforts were successful in part because of help from Güshi Khan, the Oirat leader of the Khoshut Khanate.[56] Under Sonam Rapten's regime, him being a fanatical and militant proponent of the Gelugpa, the other schools were then persecuted. Jonang sources today claim that the Jonang monasteries were either closed or forcibly converted, and that school remained in hiding until the latter part of the 20th century.