The correct answer here is Asia, Africa and Europe. The Silk Road is one of the most important trading networks that ever existed in the history of mankind and it is preserved as UNESCO World Heritage Site. It connected the East and the West and it was central for both the economic and cultural interaction between two parts of the world.
Answer: The information used by Gospel writers were specific locations of towns and explanation of historical events and holy days so the readers could understand the stories told in a whole context and associate them with actual information.