[2][3] He became Acting Chairman of the State Great Hural in November 1924 following the death of the Bogd Khan, as he was replaced by Peljidiin Genden only a day later.

According to the politician and analyst Bat-Erdene Batbayar, Jadambaa "was responsible for establishing contacts with the USA, Germany and Great Britain", whereas his colleague Tseren-Ochiryn Dambadorj kept in touch with Japan and China.

They hoped to establish Mongolia as a neutral and diplomatically recognized state, but came under attack within their own party ranks because of their perceived rapprochement with the capitalist powers.

In the subsequent years, he managed to obtain an economics degree in Moscow, but was unable to return to Mongolia.

He did a number of jobs in Moscow, possibly as an engineer at a footwear factory, and translated works by Boccaccio, Swift and Andersen into Mongolian.