It made things faster, simpler, and better.
Answer:
C. the initial diffusion of Buddhism and Christianity to East Asia
Explanation:
Unlike many other empire in that era, The Mongols were extremely tolerant toward religion. They did not force the people that they conquered to follow a certain religion.
The initial diffusion of Buddhism and Christianity occurred because of difference in language.
Not many priests from western nations understand the language used in Asian countries to be able to spread the Christian teaching. Buddhism on the other hand was taught widely in their local language.
The founding of Lima (APEX class :)
John the Baptist
Hope that helps :)