Explain diffusion, and why Buddhism became popular in China

Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Diffusion happens in liquids and gases because their particles move randomly from place to place. Diffusion is an important process for living things; it is how substances move in and out of cells.

Explanation: It was brought to China by Buddhist monks from India during the latter part of the Han dynasty (ca. ... Over time Buddhism became a popular force in the lives of the Chinese, from the common people to the emperor himself. In fact, by the sixth century, Buddhism rivaled Daoism in popularity and political influence.

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!