Answer:
Eurasia is called a "cultural crossroad" because it is located between Asia and the rest of Europe. In this region many cultures mix. As a result of this position, many settlers, traders, and invaders have inhabited or passed through this region.
For over 1,400 years, the silk route was a well-traveled network of passageways linking East and West civilizations. Merchants on the Silk Road traded goods such as silk, spices, and tea.