(4)Asia and Europe
The Silk Road began in China and ran westward through Asia ending in the Anatolia Peninsula.
The Silk Road was a trading route which brought Asian goods westward to Constantinople. The road began in Hangzhou and Guangzhou, both port cities in China. The road forked north and south going into the Indian peninsula and through the Persian Empire.
It failed because either the change did not work well in many business settings, or it was inefficient (due to the inefficiency of the conveyer-belt system). A more accurate reason is that the circuits couldn't handle the traffic during peak hour. The customer's orders were regularly mixed up. The conveyer-belt system was not fast enough or efficient enough to handle it.
