Which of the following was NOT a reason that China maintained a policy of isolation from "westerners" all the way up to the early 19th century?
A It perceived westerners to be inferior.
B It was displeased by westerners bringing opium into the region.
C It wanted to protect its culture from western influence.
D It feared diseases carried by westerners.

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.