 Anyway, the Qing attitude towards Han Chinese colonization of Mongolian lands grew more and more favorable under pressure of events, particularly after the Amur Annexation by Russia in 1860.This would reach a peak during the early 20th century, under the name of "New Policies" or "New Administration" ("xinzheng").After the invitation of the 3rd Dalai Lama to Mongolia and conversion of Altan Khan, king of the Tümed Mongols in 1578, nearly all Mongols had become Buddhist within 50 years, including tens of thousands of monks, almost all followers of the Gelug school and loyal to the Dalai Lama.