List some of the external problems that China faced during the 1800s.

the answer is following

Explanation:

by the mid nineteenth century china's population reached 450 million or more , more than three times the level in 1500 . the inevitable results were land shortages , famine , and an increasingly impoverished rural population . heavy       taxes , inflation , and greedy local officials further worsened the farmer's situation

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation: