What facilitate the rapid exchange of ideas, technologies, and cultures within the mongol empire?

The movement involving the Persian and Arab doctors and administrators were sent to China. Chinese physicians as well as engineers found that their skills were important in the Islam world. These things helped facilitate the fast exchange of ideas, technologies, and cultures in the Mongol empire.  

Ifound this on google “the change in control meant as house minority leader, pelosi was widely expected to become speaker of the house in the next congress. on november 16, 2006, the democratic caucus unanimously chose pelosi as the democratic candidate for speaker.” i hope this