Answer:
Cultural diffusion
Explanation:
The Cultural diffusion was made possible first through the trade, since the economic activity often impacts many other key areas of life.
In the this case , Buddhism originally from India came through the Silk Road and subsequent trade routes that stretched into China at the time Han Dynasty ruled.
The emperor is told to have request monks to translate the Buddisht texts into Chinese. Later the Emperor decided to built a sanctuary for the monks to live in as they began the translation of Buddhist teachings.
The monks caravans went through the trade outposts preaching the new religion. They reached for Afghanistan, Sri Lanka and further.
Buddhist reached so many people that once , it became the third religion worlwide.
Today it is mostly present in China, Vietnam, Korea, and Japan, to a lesser extent.
