Ineed with number 20. i'm clueless and this is due

According to the qianlong emperor, why was china not interested in importing anything else?

Which of the following american companies had a monopoly in the late 1800s? a. deere and company b. sears, roebuck and company c. standard oil company d. general electric company

Plz 50 points answer only if you know and don't copy answer describe how the geography of the korean peninsula affected where people settled and how they lived.