Well they are the ones who made the social hierarchy. (Division of labor.)
The commerce secretary is responsible for representing U.S. businesses within the President's Cabinet, interacting with communities, businesses, universities, and American workers, and promoting economic growth, job creation, and balanced economic development
Crossing the Silk Road, Marco Polo brought elements of Western culture to the East and Eastern culture back to the West.
Because of his exploration for trade of what is today modern China, Indonesia, Mongolia, Sri Lanka, and India, the east experienced Western culture.
Furthermore, his journeys were documented in the Book of the Marvels of the World which presented to Europeans the Asian cities and countries.