Who benefited the most by the silk road: the east, west, or everyone? why?

The right answer is Everyone. The Silk Routes were a series of routes interconnected through South Asia and were used in the silk trade between East and Europe. The means of transport that surrounded such routes were the caravans and oceanic vessels that connected the East and Europe. These routes were not only important for the growth and development of regions and of great civilizations such as Ancient Egypt, Mesopotamia, China, Persia India, and Rome, they were also important to support the beginning of the modern world.