What contributed to the downfall of the Qin Dynasty?

Qin Shi Huang was paranoid about his death, and because of this he was able to survive numerous assassination attempts. Upon the First Emperor's death, China plunged into civil war, exacerbated by floods and droughts. In 207 BCE, Qin Shi Huang's son was killed, and the dynasty collapsed entirely.

Explanation:

Qin Shi Huang was paranoid about his death, and because of this he was able to survive numerous assassination attempts. Upon the First Emperor's death, China plunged into civil war, exacerbated by floods and droughts. In 207 BCE, Qin Shi Huang's son was killed, and the dynasty collapsed entirely.

Explanation:

it increased 6 percent and reached that in 1980

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".