Answer:
The rivers could flood too much (negitive). The rivers helped farm, transportation, drinking water, and irrigation(positive).
Explanation:
I hope this helps you. If not I can type more.
Epidemic: an outbreak of disease that spreads quickly and affects many individuals at the same time : an outbreak of epidemic disease
Pandemic: occurring over a wide geographic area and affecting an exceptionally high proportion of the population
(an example is the coronavirus)
The Zhou created the Mandate of Heaven: the idea that there could be only one legitimate ruler of China at a time, and that this ruler had the blessing of the gods. They used this Mandate to justify their overthrow of the Shang, and their subsequent rule.
Answer:
a lot more cotton, tobacco and sugar production also added more "citizens to the south with the 3/5 rule.