give evidences to prove that there was a vibrant pre-modern trade and cultural link between different parts of the world

The following examples show that there was a vibrant pre modern trade in between different parts of the world : 

• Silk route- It got its name through Chinese silk which was transferred on this route through land and sea. The silk route connected parts of India, Europe, China and North America. Along with silk, Chinese pottery, spices from India were also traded through this route.
• Similar food - A great similarity has been noticed amongst the cuisine or food of various regions. It maybe because along with other items traded food also raveled. For example- it is said that noodles travelled from China and became spaghetti. Also many other world's cuisine are have thing in common which maybe attributed to trade.