Over the centuries for two thousand years the Silk Road was a network of roads for the travel and dissemination of religious beliefs across Eurasia. … Traders who used the Silk Road regularly therefore built shrines and temples of their own faiths wherever they went, in order to maintain their own beliefs and practices of worship while they were far from home. Missionaries of many faiths accompanied caravans on the Silk Road, consciously trying to expand the reach of their own religious persuasion and make converts to their faith.—The Asia Society, 2019The source most clearly describes which of the following?Social HierarchySocial DiffusionCultural DiffusionBarbarism