The roads may have been rough, but people have traveled and shared their goods from ancient times. Ancient peoples also traveled by sea in boats.
The Chinese
Some of the items they traded were spices,gems e.t.c
Buddahism
Its cheap
They built roads, traded along the Mediterranean Sea and farmed grapes and olives
They traded plants and animals and tobacco
123
They traded items that the have a surplus of for items that they cannot get.
They were shipped from different places
silver and gold
The answer is silk and and tea
Some things that got traded in the Renaissance were artwork and scientific ideas.