. Cause: Exotic goods from the East
appeared in European marketplaces.

People became interested in India, China, and the rest of Asia.

Explanation:  

Marco Polo became the first European explorer to travel to Asia through Silk Road and recorded the account of his experience.  Marco Polo, an Italian explorer and merchant, wrote the book 'The Travels of Marco Polo'. The Europeans became interested after reading the book decided to explore the outside world by visiting the lands Marco Polo had visited and brought goods like exotic goods, spices, silk.

probably 3 since archeologists and historians don’t understand there writing.

answer; the government can clearly justify the restriction;