How was successful trade along the silk road a cause to chinas golden ah

From the second century BC to the end of the fourteenth century AD, a great trade route originated from Chang'an (now Xian) in the east and ended at the Mediterranean in the west, linking China with the Roman Empire. Because silk was the major trade product which traveled on this road, it was named the Silk Road in 1877 by Ferdinand von Richthofen – a well-known German geographer. This ancient route not only circulated goods, but also exchanged the splendid cultures of China, India, Persia, Arabia, Greek and Rome.

Hope it helps :)

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.