All of the following were threats to the Qin dynasty EXCEPT

The renaissance was a major turn in history. many new ideas and technological advances came into place. it was a time of new thinking, where many were inspired by enlightenment beliefs. most people were branching out from what the government or the catholic church was saying, and using science to answer questions about the world around them. it was also a time when the arts were booming. artists, musicians, mathematicians, philosophers, and historians were becoming more and more of a respected society. the renaissance was a major turn in history. 

Japan  sided with the  entente powers  in wwi because it was a great opportunity to pick off germany's colonies in the pacific free of charge.