Sasanians and the Sogdians played a significant role in fostering connections along the silk road because they traded their commodities along that route within the region. The transaction established a strong network along the Silk Road leading to the growth of the economy, hence making the emperors firm and authoritative due to vast development. Their dynasties significantly contributed to the connection along the Silk Road.
During the Sasanians and Sogdians, Buddhism became dominant; hence, during the time of Alexander the Great, it was converted into the dominant world religion since it was a sign of unity. The Merchants turned into monks and begun to preach Buddhism in the area, making it famous in Asia. As a center of worship and teaching, Asia proliferated. This made it famous, thus spreading faster to other parts of the world.